Questions LLC
Login
or
Sign Up
Ask a New Question
Categories
Calculus
Page 2
Questions
What is the value of ddx[f−1(x)] when x=2π, given that f(x)=2x−sinx and f−1(2π)=π ?
I got 1/3 is that right?
2 answers
asked by
Hannah
642 views
does anyone know which of these are differential equations
1) x dx/dy -y = 2x^2 2) dy/dx + x^3y = sin y 3) 1/y dy/dx + y cosx =
1 answer
asked by
Hannah
449 views
Suppose f (x) = x^3 . What is the equation of the line tangent to the curve at the point (−1, −1)?
Is this y = 3x − 2 the
1 answer
asked by
Hannah
378 views
A) The point p(3,1) lies on the curve y= square root x-2. If Q is the point (x, square root x-2) use your calculator to find the
4 answers
asked by
Alyssa
2,375 views
1. A baby is being bounced approximately according to the position function 10*sin(2*pi*t/2) (distance in centimeters, t in
3 answers
asked by
Naomi O
429 views
QC: Consider f(x)=abs(x-3)+abs(x-7) and the point (5,4).
i) Is it an absolute/global min, according to the definition in our
2 answers
asked by
Naomi Onye
487 views
Find the area above curve y=(1/2*x-2)^6+5 enclosed by a line cutting at (0,y) and (x,y).
Note.It is a straight line Oops. I
1 answer
asked by
Raj
407 views
Write a difference quotient that can be used to estimate the instantaneous rate of change of y=x^2 at x=-3.
Please explain in
2 answers
asked by
Christian
1,066 views
Use midpoints to approximate the area under the curve y = f(x) = 5sin(pi x) + 2.5cos(4pi x) on the interval [0, 1] using 10
2 answers
asked by
Jessy
1,048 views
A swimmer wishes to swim directly across a river that has a current of 2.5m/s. He can swim 3.5m/s in a pool. Include a diagram.
a
2 answers
asked by
Rachel
1,121 views
The department of water resources is measuring the width of a flood plain, as shown by f(x). The water measurements (x) are
1 answer
asked by
Slaya
398 views
Find the instantaneous velocity at x=6 if
f(x)=radical 2x+4
3 answers
asked by
Felicia
269 views
for function f(x)=4x-2x^3
a.) Find the general formula for the slope of the tangent line using the definition of derivative. b.)
6 answers
asked by
Sarah
872 views
The demand function for the Luminar desk lamp is given by
p = f(x) = −0.1x^2 − 0.7x + 20 where x is the quantity demanded in
3 answers
asked by
Gabrielle
1,889 views
The total weekly cost (in dollars) incurred by Lincoln Records in pressing x compact discs is given by the following function.
C(
3 answers
asked by
Gabrielle
654 views
The quantity of Sensitech laser gaming mice demanded each month is related to the unit price by the equation
p =42/0.03x^2 + 1 (0
2 answers
asked by
Gabrielle
488 views
The quantity of Sensitech laser gaming mice demanded each month is related to the unit price by the equation
p = 42/0.03x^2 + 1
2 answers
asked by
Gabrielle
962 views
Evaluate the indefinite integral
1.((x^4 -2 +x)3x^-1)
1 answer
asked by
Pearl
300 views
Calculate the slope of the tangent to the given function at the given point.
a) f(x) = 2/ sqrt(x+5), p(4, 2/3) b) f(x)= 3/(x+1),
4 answers
asked by
julion
671 views
Differentiate the following function from first principles
f(x)= 5x/(3-x)
2 answers
asked by
Anon
550 views
derivative of (2t^3/2) + 25 using first principle
1 answer
asked by
help me pls
266 views
If y=e^2x, show that y''+y'-6y=0
I found y' (e^2) and y'' (0) but idk how to prove it
1 answer
asked by
yeet
375 views
Find the points of inflection and intervals of concavity for f(x)=3x^4-16x^3+24^2-9
2 answers
asked by
Anna
504 views
Tony's blood pressure can be modelled using the function P(t)=1000(sin t)(e^-2t), where 0 ≤ t ≤ 2 minutes. His body is
6 answers
asked by
Sami
1,028 views
Tony is picked up by an ambulance, which moves in a straight line with position given by s(t)=2t^3 - 9t^2 + 12t - 5 metres,
1 answer
asked by
Sami
359 views
c) Knowing Tony is injured, they need to travel the shortest distance possible back to a road. They are located at (4,11),
2 answers
asked by
Sami
476 views
The volume of a cube increases at a constant rate of 10 cm^3 per second. find the rate of change in its total surface area at
4 answers
asked by
anonymous
945 views
A rectangle is inscribed in a semicircle with radius 8. The variable x is half the length of the rectangle. Write an expressions
2 answers
asked by
Abi
1,010 views
Finding dx/dy where x3+y3=6xy
3 answers
asked by
Zenande
228 views
How do I find the Volume of the Solid of revolution generated by revolving the region bounded by the graphs of the given
6 answers
asked by
Maddie
1,068 views
Find the Volume V of the solid of revolution generated by revolving the region bounded by the x- axis and the graph of y=4x-x^2
3 answers
asked by
Isabella
743 views
A conical water tank with vertex down has a radius of 13 feet at the top and is 27 feet high. If water flows into the tank at a
3 answers
asked by
JP
561 views
let f(x) = 5 x - 1 and let g(x) = 3x - 5 What is the derivative of h(x) = (f(x))/(g(x)) at x = 2 ?
1 answer
asked by
DJ
140 views
Show that f(x)=4x^5-8x^4 is one to one algebraically. Then find the inverse.
Not necessarily looking for the answer, i just
3 answers
asked by
Janiyah Lowes
560 views
test.
My thoughts : So for this one, I immediately thought of applying the test for divergence(which states if the limit of the
3 answers
asked by
Ashley
355 views
1. In Madame DUcion's innovative lab, a slowly growing mathematical bacterial colony is given by the equation P(t) = 100 + 24t +
1 answer
asked by
lisa
305 views
For the function f(x) = x^3+3x, determine the average rate of change of f(x) with respect to x over the interval 2<x<4
1. 31 2.
3 answers
asked by
lisa
1,493 views
Suppose f(x)= 1/u^3 , where u=x^3 + 2. Determine a simplified expression for the slope of all tangents to y = f(x).
1 answer
asked by
Lisa
210 views
The velocity function is v(t)=t^2-4t+3 for a particle moving along a line. Find the displacement of the particle during the time
3 answers
asked by
Anonymous
1,861 views
Determine the points on the graph of y= cos2x - cos x,x E [0,2pi], where the tangent is horizontal .
4 answers
asked by
Lisa
578 views
Find an equation of the line tangent to the graph of x^2+(y-x)^3=9 at x=1
5 answers
asked by
Sarah
1,100 views
If a function f(x) is undefined at x=a, then the limit f(x) must not exist.
True or False?
4 answers
asked by
KK
1,260 views
A tank is full of water. Find the work required to pump the water out of the spout. Use the fact that water weighs 62.5 lb/ft3.
3 answers
asked by
Joe
1,623 views
4. For the function 𝑓(𝑥) = 𝑠𝑖𝑛 𝑥 and using 𝑠𝑖𝑛2𝐴 =
1 2 (1 − cos 2𝐴). Show that 𝑓(𝑥 +
1 answer
asked by
Anonymous
160 views
I having a hard time on solving ths question is there any way I can get help on it
So for a plastic bowl it can be seen as the
4 answers
asked by
Ryan
214 views
Please check my work! Find the slope of the tangent line when theta equals pi over 6 for the polar graph r = 1. (5 points) My
1 answer
asked by
Aria
289 views
A line L in three space passes though the origin and intersects the plane (pi) perpendicularly at the point (-3,5,2). Determine
1 answer
asked by
Taylor
260 views
Eliminate the parameter for the following set of parametric equations
X(t)=t^3 Y(t)=t-6 A) y=(x-6)^3 B) y=^2sqrtx-6 C) y=t^3-6 D)
1 answer
asked by
Anonymous
347 views
The linear approximation you found using y=cosx at a =pi can be used to find cos(pi+0.05). What is cos(pi+o.o5) equal to?
I found
1 answer
asked by
Anonymous
330 views
Suppose h(x) = [f(x)]3 + [g(X)]3 where f(n) and g(n) are each differentiable for all n ≥ 0; (recall that f (n) and g(n)
1 answer
asked by
Jeff
175 views
Use logarithmic differentiation
Y=x^x^3
1 answer
asked by
Anshul
273 views
How do I prove that If S is bounded then there exist a positive real number M such that |x| ≤ M for all x ∈ S ?
5 answers
asked by
Raban
319 views
Find the volume V of the solid obtained by rotating the region bounded
by curves y=x and y= √𝒙 about the x-axis
4 answers
asked by
Lisa
477 views
Find the interval of convergence for the series ∑∞ (−𝟏)𝒏 (𝒙+𝟏)𝒏/n3^3 . Be sure
to check for convergence or
1 answer
asked by
Lisa
243 views
1. Construct a function f(x) that satisfies the following conditions:
I. Its domain is all real numbers. II. It has no maximum
4 answers
asked by
Sofia
986 views
A bee flits from flower to flower. If it leaves the hive and travels 210 m [N32°E] and then 37 m [S51°W], how far and in what
4 answers
asked by
Derek
966 views
A hot-air balloon is 120 ft above the ground when a motorcycle (traveling in a straight line on a horizontal road) passes
3 answers
asked by
Noel
561 views
a. For the following function, find f (a).
b. Determine an equation of the line tangent to the graph of f at (a,f(a)) for the
4 answers
asked by
Noel
775 views
a. For the following function, find f (a).
b. Determine an equation of the line tangent to the graph of f at (a,f(a)) for the
1 answer
asked by
Noel
374 views
Approximate the area of the region bounded by the graph of f(t) = (t/2 - pi/8) and the t-axis on [0,pi] with n = 4 sub intervals
1 answer
asked by
Noel
429 views
I know this question, has been asked, but I have 2 question.
First : 3a*2^2 + 2b*2 + c = 0 3a(1/2)^2 + 2b(1/2) + c = 0 How do the
1 answer
asked by
Anonymous
225 views
I know this question, has been asked, but I have 2 question.
First : 3a*2^2 + 2b*2 + c = 0 3a(1/2)^2 + 2b(1/2) + c = 0 How do the
1 answer
asked by
Anonymous
297 views
For what value of the constant c is the function f continuous on the interval (-infinity, +infinity).
f(x) = cx^2+4x, x < 2 f(x)
2 answers
asked by
Alex
764 views
Would y=Absolute value x and y=absolute value -x essentially give the same piece wise functions? Cause they have the same graph?
1 answer
asked by
Joe
200 views
Find the f(a) at the given value of a for each function y=f(x)
[Finding the Equation of a Tangent Line] f(x)=8x-3; a=2 I’m
2 answers
asked by
Ian
196 views
A plane flies horizontally at an altitude of 5 km and passes directly over a tracking telescope on the ground. When the angle of
4 answers
asked by
Malia
914 views
A tray of lasagna comes out of the oven at 200 degrees and is placed on a table where the surrounding room temperature is 70
1 answer
asked by
Steve
424 views
A certain cylindrical tank holds 20,000 gallons of water, which can be drained in 20 minutes. The volume V of water remaining in
3 answers
asked by
Nick
400 views
The function f(x) = (7x-9)e^{-6 x} has one critical number. Please help me find the critical number
1 answer
asked by
Anonymous
220 views
Use the intermediate value theorem to find the value of c such that f(c)=m.
1. f(x) = x2-4x+6 on [0,3]; m=2
1 answer
asked by
Wynston
220 views
Derivative of (4 secx tanx)
4 answers
asked by
Ryan
232 views
Find the area underneath the curve of y= sin(x/2) from 0 to 3π/4 show your graph as well.
1 answer
asked by
Anonymous
252 views
Suppose f(pi/6) = 7 and f’(pi/6) = 2
and let g(x) = f(x)cosx and h(x) = sinx/f(x) g’(pi/6)= h’(pi/6)=
1 answer
asked by
Aayu Patel
188 views
Assume that x and y are functions of t and x^2+2xy=5. If dx/dt=-3 when x=-1, find dy/dt
4 answers
asked by
Parke
498 views
For each chemical formula listed below he will provide the chemical formula balance the chemical equation calculate the molar
1 answer
asked by
Kristy
231 views
Using first principles (the limit definition), find the tangent slope of the function y=1/(x-3) at point x=-1
1 answer
asked by
Katie
172 views
If 2,700 cm2 of material is available to make box with square base and an open top, find the dimensions that give the largest
1 answer
asked by
Calculus
371 views
f (x) = (x^2 + x - 6) e^x
Find the: a) domain b) intercepts c) asymptotes d) symmetry e) critical values of the 1st derivative f)
1 answer
asked by
Calc help needed!
261 views
Find the value of c such that the point (3,4) lies on the graph of f(x)=cx^2+7x-2
2 answers
asked by
Emily
167 views
A large spherical snowball melts such that its volume decreases at a rate of 4.5 cm3/min. Determine the rate of decrease of the
1 answer
asked by
Bee
169 views
Car A leaves an intersection at the same time as Car B. Car A is heading west at 50km/h and Car B is heading north at 70km/h.
3 answers
asked by
Bee
195 views
A particle rotates counterclockwise from rest according to 8 = tl S0 - i, where 6 is in radians
and t in seconds. alculate the
2 answers
asked by
Garry
147 views
suppose that f is a differentiable function with the derivative f'(x)= (x-1)(x=2)(x+3). Determine the values of x for which the
1 answer
asked by
hannah
133 views
1. A point is moving along the curve xy=1 angle When the point is at
(4, 3) the x-coordinate decreases at the rate of 2 cm/sec.
1 answer
asked by
Mika
126 views
2. The length / of a rectangle is decreasing at the rate of 3 cm/sec,
one diagonal at the instant when l = 15 and w = 6. rates of
1 answer
asked by
Mika
116 views
The length / of a rectangle is decreasing at the rate of 3 cm/sec,
while its width w is increasing at the rate of 3 cm/sec. Find
3 answers
asked by
Mika
130 views
Find the fourth derivative of lnx^3-5x^2
1 answer
asked by
SAMMY
69 views
Express the function in the form
f ∘ g. (Use non-identity functions for f and g.) F(x) = (2x + x2)4
4 answers
asked by
Anonymous
108 views
A variable force of
7x^-2 pounds moves an object along a straight line when it is x feet from the origin. Calculate the work done
2 answers
asked by
stacy
129 views
Suppose you want to find two positive numbers such that the sum of the first and twice the second is 64 and whose product is a
1 answer
asked by
Olive Will
92 views
Suppose you want to find two positive numbers such that the sum of the first and twice the second is 64 and whose product is a
1 answer
asked by
Olive Will
112 views
The function s(t)=2t^3+t^2−20t+4 has a relative minimum at t=?
2 answers
asked by
Olive Will
71 views
A veterinarian has 100 feet of fencing and wishes to construct 6 dog kennels by first building a fence around a rectangular
1 answer
asked by
Olive Will
92 views
Find the absolute maximum value of y=x^3−12x on the interval [−1, 3]?
2 answers
asked by
Olive Will
70 views
The function s(t)=2t3+t2−20t+4 has a relative minimum at t=
4 and a relative maximum at t=
2 answers
asked by
Olive Will
62 views
The function s(t)=2t3+t2−20t+4 has a relative minimum at t=?
and a relative maximum at t=?
2 answers
asked by
Olive Will
60 views
Given
f'' (x)= 6 x − 5 and f' (−1) = −5 and f (−1) = 2 Find f '(x) = and find f(2)=
2 answers
asked by
layla
75 views
A stone is dropped from the edge of a roof, and hits the ground with a velocity of -110 feet per second. How high (in feet) is
2 answers
asked by
nay
152 views
Estimate the area under the graph of f(x)=1/x+2 over the interval [,7] using five approximating rectangles and right endpoints.
R
1 answer
asked by
maya
95 views
Estimate the area under the graph of f(x)=1/x^2 +1 over the interval [2,7] using five approximating rectangles and right
2 answers
asked by
l
115 views
Pages
1
2
3