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Derivatives
Page 4
Questions (1,913)
Find the coordinates of the turning point and determine wether it is minimum or maximum.
y=xlnx-2x The answer in the book says
1 answer
asked by
Mark
793 views
Consider the parabola y = 6x − x2.
(a) Find the slope of the tangent line to the parabola at the point (1, 5). 4 (b) Find an
4 answers
asked by
Yuxiang Nie
2,937 views
Suppose that f(x)=x−7x^[1/7]
(A) Find all critical values of f. (B) Use interval notation to indicate where f(x) is increasing
3 answers
asked by
Kris
2,027 views
If e^(x+3logx) then prove that dy/dx=x^2(x+3)e^x....can anyone help me out...plz note 3+logx is in adition with x and is the
4 answers
asked by
Abhishek
2,532 views
if 4x^2+8xy+9y^2-8x-24y+4=0 show that when dy/dx=0, x+y=1 and d^2y/dx^2=4/(8-5y) hence find the maximum and minimum values of y
p
5 answers
asked by
...
2,466 views
Let f(x)=7x2.
Find a value A such that the average rate of change of f(x) from 1 to A equals 84. A=
5 answers
asked by
Jim
1,122 views
A manufacturer has determined that the weekly profit from the sale of x items is given by the function below. It is estimated
4 answers
asked by
Stacey
2,349 views
hi i was just wondering if u could help me with this math problem. find dy/dx at the indicated point in two different ways
1 answer
asked by
johanna
836 views
Hey everyone!! please help..
Find a function f such that the graph of f has a horizontal tangent at (1,0) and f"(x)=10x?? Thanks
4 answers
asked by
Herbie
2,306 views
Assume that each of the follwing functions gives the position of an object at time t. Find the velocities indicated by setting
6 answers
asked by
Catherine
654 views
What is the first and second derivative of 3/(1+2(x^3)) ?
im tempted to do the quotient rule, but this looks weird to me...any
4 answers
asked by
KIKSY
419 views
Find f.
f ''(x) = 6 + cos x, f(0) = −1, f(7π/2) = 0
5 answers
asked by
TayB
3,986 views
The table below shows the temperature (in °F) t hours after midnight in Phoenix on March 15. The table shows values of this
3 answers
asked by
Ke$ha
1,495 views
I'm trying to calculate the derivative of this: P= mv/ sqrt(1-v^2/c^2)where m and c are constants, and v depends on t. I know
6 answers
asked by
Mary
439 views
Suppose that f has a continuous second derivative for all x, and that f(0)=1, f'(0)=2, and f''(0)=0.
A. Does f have an inflection
5 answers
asked by
Anonymous
3,361 views
Assume that f is a continuous function from the real numbers to the real numbers such that for all numbers x,y, and a it is true
2 answers
asked by
Leah
614 views
Verify if these are correct answers.
1. The derivative of f(x)=e^2x -e^-2x is f'(x)=2e^2x - 2e^-2x? 2.A certain radioactive
2 answers
asked by
Matthew
697 views
suppose u and v are functions of x that are differentiable at x=2 and
that u(2) =3, u'(2) = -4, v(2) = 1, and v'(2) find values
3 answers
asked by
Amy
2,220 views
find derivative of integral( t sint dt) upper limit 1+2x, lower limit 1-2x
Show step by step please! Thank you
4 answers
asked by
Sibel
2,360 views
Find the derivative of the following function using the appropriate form of the Fundamental Theorem of Calculus.
intergral
3 answers
asked by
Brady
708 views
Consider the function f(x)=2sqrtx+4 on the interval [2,8]. Find the average or mean slope of the function on this interval. ?
By
3 answers
asked by
kitor
828 views
1. Find y'(x) when
xsecy - 3y sinx = 1 a) (3ycosx - sec y) / (xsec^2y - 3sinx) b) (3cosx - sec x) / (xsecytany - 3sinx) c)
2 answers
asked by
Donna
705 views
If e^y=tanx, 0<x<pi/2 what is dy/dx in terms of x?
A.secxcscx B.sec^2x C.secx D.sin x sec x
5 answers
asked by
Anonymous
2,059 views
find the derivative of f(x)=3x^2-x using the limit definition.
4 answers
asked by
Liz
2,192 views
what is the rate of change of the function y=3
5 answers
asked by
Andrea
1,324 views
Find the slope m of the tangent to the curve
y = 5/ sqrt (x) at the point where x = a > 0. what is the slope?
7 answers
asked by
maura urgent!
10,319 views
the tangent line to the graph of y=g(x) at the point (4, 5) passes through the point (7, 0) find g(4) and g'(4)
4 answers
asked by
Anonymous
5,624 views
Find f(3) and f'(3), assuming that the tangent line to y=f(x) at a=3 has the equation y=5x+2
6 answers
asked by
Anonymous
5,797 views
If tan(xy) = x, then dy/dx =
6 answers
asked by
Anna
7,531 views
The length of a rectangle is given by 2t + 2 and its height is √t, where t is time in seconds and the dimensions are in
4 answers
asked by
Lorine
3,229 views
If h(x) = the square root of 4 + 3f(x)
where f(2) = 4 and f '(2) = 2, find h'(2). i got the derivative as 1/2(4+3f(x))^-1/2 then
4 answers
asked by
feather
2,245 views
Using the formula lim h approaches 0 f(x+h)-f(x)/h, find the derivative of f(x)=2x^2+4x
4 answers
asked by
Becky
3,058 views
1. Under what conditions is the tangent to f(x) to the point (a,f(a)) horizontal?
A.f'(a) > 0 B.f'(a)=0 C.f'(a) < 0 D. f'(a) is
4 answers
asked by
Unknown
2,471 views
This problem tests calculating new functions from old ones: From the table below calculate the quantities asked for
(fg)'(–2) x
4 answers
asked by
ALI
3,239 views
what is the 2021st derivative of f(x)=x^(2020)+e^x+sin(x)?
5 answers
asked by
Anonymous
1,648 views
Find the slope m of the tangent to the curve
y = 3/√ x at the point where x = a > 0
4 answers
asked by
Anonymous
2,076 views
Let r(x)= f(g(h(x))), where h(1)=4, g(4)=5, h'(1)=3 , g'(4)=5 and f'(5)=7. find r'(1).
4 answers
asked by
Tim
2,068 views
how do i find (d^725/dx^725)(sin x)
is this a derviative problem? can someone help me solve it?
4 answers
asked by
sammi
3,845 views
Let f(x)=1.81.7x. Estimate the derivative f′(1.1) to within two decimal places by using a small enough interval.
f′(1.1)≈
4 answers
asked by
Anonymous
849 views
Which of the following functions have a derivative at x=0?
I. y= absolute value(x^3-3x^2) II y= square root(x^2+.01)- absolute
6 answers
asked by
Mark
1,584 views
find an equation of the tangent line to the graph of y = (ln x)^2, at x = 3
4 answers
asked by
Kd
2,357 views
Use the table below to evaluate the derivative with respect to x of g of f of 2 times x at x = 1.
x 1 2 3 4 f(x) 6 1 8 2 f ′(x)
4 answers
asked by
Mel
3,226 views
If x^2+y^2=25, find dy/dt when x=3 and dx/dt= -8.
4 answers
asked by
Gary
2,122 views
If f(x) = e^(sin x), how many zeros does f '(x) have on the closed interval [0, 2π]?
4 answers
asked by
Erica
4,475 views
Find the slope of the line tangent to the curve y=cos(2x) at the point where x=pi/6
4 answers
asked by
Anonymous
4,652 views
Let H(x)=F(G(x)) and J(x)=F(x)/G(x).
Suppose F(7)=4, F′(7)=−8 G(7)=3, G′(7)=−5 G(2)=7, G′(2)=−2 then H′(2)=
5 answers
asked by
Anonymous
801 views
If siny=cosx, then find dy/dx at the point (pi/2, pi)
A. -1 B. 0 C. 1 D. pi/2 E. None of these I got C
4 answers
asked by
Sarah
1,996 views
If f(x)=sin^2(3-x) then f'(0)=
A. -2cos3 B. -2sin3cos3 C. 6cos3 D. 2sin3cos3 E. 6sin3cos3 I got B
4 answers
asked by
Sarah
1,474 views
The position s of a point (in feet) is given as a function of time t (in seconds).
s = −10 + t − 15t2; t = 8 (a) Find the
4 answers
asked by
Kyle
1,201 views
A particle moves along a path described by y=x^2. At what point along the curve are x and y changing at the same rate? Find this
4 answers
asked by
Shania
3,071 views
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Parent Categories (24)
Algebra
Calculus
Calculus / Functions
Calculus or Mathematical Concepts
Calculus Sub-sub-category: Derivatives
Differentiable functions
Differential Calculus
Differentiation
Exponential Functions
Finance
Finance and Investments
Functions
Identification of Compound A
Investing
Investment
Investments
Limits
Limits and Continuity
Mathematics
Mathematics (or Calculus)
Spelling Words
Trigonometry
Vocabulary
Vocabulary/Word Choice