Questions LLC
Login
or
Sign Up
Ask a New Question
Categories
calc
Page 3
Questions
Are these correct?
lim x->0 (x)/(sqrt(x^2+4) - 2) I get 4/0= +/- infinity so lim x->0+ = + infinity? and lim x->0- = + infinity?
1 answer
asked by
Chelsea
591 views
Average daily temp,y, is
y=45-23cos(2pi(x-32)/365), where x is time in days, x=1, corresponds to Jan 1 and y is temp in degrees
2 answers
asked by
t
586 views
(e^x + e^-x)/2=1
3 answers
asked by
BOB
345 views
(e^7x)/(e^3)^x= e^16
1 answer
asked by
pauly
260 views
(e^x)e^x+1)/(e^x-1)=8
1 answer
asked by
Vinny
364 views
hi
im totally blanking how do i find the antiderivative of cos(0.5(x^2))? thanks!
1 answer
asked by
math
375 views
Find the area under the curve below from x = 0 to x = 2. Give your answer correct to 3 decimal places.
y = 2x - x2
4 answers
asked by
Anonymous
1,377 views
1 + x = sin(xy^2)
find dy/dx by implicit differentiation 0 + 1 = cos(xy^2). (x)(2y)dy/dx + (y^2)(1) 1/((x)(2y)dy/dx) = cos(xy^2)
2 answers
asked by
Chelsea
625 views
What is an equation of the line tangent to the graph of f(x)=x2(2x+1)3 at the point where x=-1?
(that's x squared (2x+1)cubed)
1 answer
asked by
Naz
355 views
eliminate parameter t when
x= ln(sqrt(1+t^2)+t) and y = sqrt(t^2+1 so to produce an equation y=f(x).
1 answer
asked by
Ang
329 views
eliminate parameter t when
x= ln(sqrt(1+t^2)+t) and y = sqrt(t^2+1 so to produce an equation y=f(x).
1 answer
asked by
Ang
951 views
find linear approximations for each of the following and put a bound on the error of the estimate.
1. (7.985)^1/3 using
3 answers
asked by
C
584 views
construct an isoceles triangle with an area of 100. what is the length of the base of the triangle which has the smallest
1 answer
asked by
Tim
418 views
construct an isoceles triangle with an area of 100. what is the length of the base of the triangle which has the smallest
2 answers
asked by
C-help please asap
488 views
analyze the function ln x = cx^2 to find the unique value of c such that there is exactly one solution to the equation. to do
1 answer
asked by
Gabriela
827 views
Given [(x-5)/(x-3)]^2 . Find any stationary points and any points of inflection. Also find any horizontal and
vertical
2 answers
asked by
josh
654 views
im so confused :( Willie Makit blows up a spherical balloon. He recalls that the volume is V=4/3Pi*r^3. In order for the radius
4 answers
asked by
me
422 views
A kite 100 ft above the ground moves horizontally at a speed of 8 ft/s. At what rate is the angle of elevation between the
2 answers
asked by
Tom
711 views
can you just show me how to set this up? or a formula that could help? im confused.
The length of a rectangle is increasing at 3
3 answers
asked by
bekah
459 views
what is the instantaneous velocity function of 8x^2-4x+1...
and x=3 seconds
1 answer
asked by
kelly kelly
421 views
The sun is shining and a spherical snowball of volume 210 ft3 is melting at a rate of 14 cubic feet per hour. As it melts, it
3 answers
asked by
Bubba
1,069 views
f(x)=6(sin(x))^x, find f'(1).
and f(x)=3x^ln(x), find f'(9). i tried these so many times and it keeps telling me that my answers
1 answer
asked by
yoo
385 views
f(x)=3x^ln(x),
find f '(9). i can't find the answer :( I got 3x^lnx(((ln(lnx))/x)+ 1/lnx)
2 answers
asked by
yoo
519 views
find integral using table of integrals )
integral sin^4xdx this the formula i used integral sin^n xdx =-1/n sin^n-1xcosx +n-1/n
4 answers
asked by
tom
587 views
If dy/dx = xy - y^2 and y(1) = 3, then y (2) = ?
3 answers
asked by
Erica
316 views
I would greatly appreciate your help with a math equation needed for a science experiment I'm researching. The case is the
2 answers
asked by
Joseph
542 views
Can someone please show me how to find the integral of sin squared x?
1 answer
asked by
lo
828 views
Compute the indicated derivative.
q(p) = 2.5 p + 3.2; q'(5) 1
1 answer
asked by
Beth
455 views
Evaluate the given expression.
d dx [2(x2 + 3|x|)] 1
3 answers
asked by
Beth
360 views
f'(x)=(24)/((2sinx+6cosx)^2)
find equation of line y=mx+b
1 answer
asked by
Hannah
381 views
hi
what is the derivativ of [-18(x^2)]/[(1+2(X^3))^2] ?? thanks!~
1 answer
asked by
Tinka
287 views
A spherical snowball is melting in such a way that its diameter is decreasing at rate of 0.4 cm/min. At what rate is the volume
2 answers
asked by
Anonymous
776 views
find the arc length of f(x)=x^2/2
1 answer
asked by
tom
281 views
If f(x)= (3x)^(3x), then f'(x) = ?
Thank you!
1 answer
asked by
Erica
285 views
Find the corresponding rectangular coordinates for the polar point (4, -/6).
2 answers
asked by
Alex
622 views
Let f(3) = 0, f '(3) = 6, g(3) = 1, and g '(3) = 1/3. If h(x) = f(x)*g(x), find h '(3).
4 answers
asked by
Todd
966 views
x^2=10-4x
1 answer
asked by
anon
222 views
Find a normal vector for a line which is parallel to 5x-6y-15=0
plz explain in steps
1 answer
asked by
shark
397 views
sin(4x)/sin(x)=4cos(x)cos(x)
verify the identity
3 answers
asked by
jessica
383 views
How I can to determine the domain and the maximum and minimum local of the following function: f(x)=6sec((pi*x)/8). And I need
1 answer
asked by
Jhonny
426 views
Sawtooth function: Draw the graph of f(x) = x - [x]. At which points is f discontinuous? Is it left- or right-continuous at
1 answer
asked by
res
1,008 views
Nutrition Ruff, Inc. makes dog food out of chicken and grain. Chicken has 10 grams of protein and 5 grams of fat per ounce, and
4 answers
asked by
liz
4,410 views
lim
x-> 2- = 2x-x^2/x-2
1 answer
asked by
calculus
348 views
find derivative using limit definition:
f(x) = x - sqrt(x) so f'(x) = lim h->0 [f(x+h) - f(x)]/h but I keep trying to solve by
2 answers
asked by
terra
582 views
A basic fact of algebra states that c is a root of a polynomial f(x) if and only if f(x) = (x-c)g(x) for some polynomial g(x).
2 answers
asked by
t
653 views
How do you simplify
tan(sin^-1 (x)) ?
4 answers
asked by
Anonymous
403 views
how do i find the derivative of 16^(sinx)
1 answer
asked by
terra
348 views
Using Ohm's Law (V=IR), where units are volts, amperes, and ohms, and V is a constant 12, calculate:
a) The average rate of
1 answer
asked by
terra
492 views
A new software company wants to start selling DVDs with their
product. The manager notices that when the price for a DVD is 16
4 answers
asked by
2,248 views
A farmer wishes to enclose a rectangular pen with area 100 square feet next to a road. The fence along the road is to be
4 answers
asked by
Andres
928 views
Find all values of x for which the tangent line ot y=2x^3-x^2 is perpendicular to the line x +4y=10?
1 answer
asked by
raj
364 views
The demand curve for the comics is given by the following equation, where q is the number of copies the publisher can sell per
1 answer
asked by
lc
460 views
You have been hired as a marketing consultant to Johannesburg Burger Supply, Inc., and you wish to come up with a unit price for
4 answers
asked by
lc
1,526 views
The likelihood that a child will attend a live musical performance can be modeled by the following equation.
q=0.01(0.0007
2 answers
asked by
lc
503 views
Use the Mean Value Theorem to show:
-x < sinx < x for all x > 0 (and where I have the inequalities, it's supposed to be less than
1 answer
asked by
nate
393 views
Gravel is being dumped from a conveyor belt at a rate of 30 cubic feet per minute. It forms a pile in the shape of a right
2 answers
asked by
crystal
784 views
R(t)=85 t-2 t**2; t=4
3 answers
asked by
lc
256 views
Annual sales of bottled water in the country in the period 1993-2003 could be approximated by the function below, where t is
2 answers
asked by
lc
609 views
A kite 80 feet above the ground moves horizontally at a speed of 8 ft/sec. At what rate is the angle between the string and the
3 answers
asked by
need help
1,696 views
Let f(x)= 4 and g(x)= �ãx-2 :
X2 - 4 f o g(11)=ANSWER: �ãX-2/ 11-2 =�ã9=3 4/32 -4 = 4/5 f o f(0)=ANSWER Determine the
1 answer
asked by
john
224 views
A machine lengthens a metal cylinder by rolling it under pressure. The radius of the cylinder decreases at a constant rate of
4 answers
asked by
ashley --- HELP PLEASEE!!!
998 views
An object moves along a parabolic path defined by the equation y = 2x 2 + 1 in such a way that the y-value is decreasing at a
3 answers
asked by
ashley --- HELP PLEASEE!!!
873 views
Find dy/dx given x^2+ y^2= 2xy. Im not sure how to find dy/dx
1 answer
asked by
ashley --- HELP PLEASEE!!!
362 views
If f (3) = 9 and f ´(3) = 4, find the tangent line to the graph of f when x = 3.
1 answer
asked by
TIFFANY
334 views
Suppose the function
a) Use the definition of the derivative to show that f ' (-2) = -1. b) Write an equation for the line
1 answer
asked by
Eliza
434 views
Suppose the function f(x)=4/x
a) Use the definition of the derivative to show that f ' (-2) = -1. b) Write an equation for the
3 answers
asked by
Eliza
382 views
The top half of a storage tank is a circular cylinder that is 5 meters tall and has a diameter 2 meters. The bottom half of the
3 answers
asked by
Eliza
492 views
what are the first and second derivatives for y= x* (4-x^2)^1/2
1 answer
asked by
Anonymous
250 views
What are the first and second derivatives of y= x^(2/3) * (2.5 - x)
1 answer
asked by
Anonymous
336 views
what is (x^2-8x+3) factored?
3 answers
asked by
haleigh
297 views
find f'(x) if f(x)=5e^x^2
find f'(x) if f(x)=a^x
5 answers
asked by
johnanthan
248 views
find f'(x) if f(x)=a^x
is in undefined, xe, of e^x?
1 answer
asked by
johnanthan
275 views
y = 4x -4 / x^2
vertical asymptotes: ____________________ horizontal asymptotes: ____________________ increasing intervals:
1 answer
asked by
Jordan
383 views
If f(x) = xe^-x then at x=0 is f increasing, decreasing, relative max, relative min or that f' doesn't exist?
I'm not sure, but I
4 answers
asked by
jules
693 views
h(t)=-16t2+13t+1
find the height of the object at the time when the speed is zero.
1 answer
asked by
Anonymous
383 views
Use the Midpoint Rule to approximate the integral
The integral from 2 to 7 of (–1x–6x^2)dx
1 answer
asked by
niki
388 views
if lebron is better than kobe. then lebron would have averaged more points than kobe in the lakers offence right???
yay or nay
1 answer
asked by
jim
368 views
Use L’Hopital’s rule to find the limit of this sequence
(n^100)/(e^n) ...If you do L'Hop. Rule it would take forever, right?
3 answers
asked by
lola
503 views
Use L’Hopital’s rule to find the limit of this sequence
(n^100)/(e^n) ...If you do L'Hop. Rule it would take forever, right?
4 answers
asked by
lola
637 views
does the sum of [(-5)^n]/[13^(n+1)] converge? as n goes to infinity
I think that since it oscillates it does not go to infinity.
1 answer
asked by
lola
362 views
If x2 + y2 = 100 and dy/dt = 9, find dx/dt when y = 8. (Enter your answers as a comma-separated list.)
1 answer
asked by
Anonymous
719 views
f(x)=[5x^3-4x^2-8x+9]/[2x^2-1x-3]
Find the equation of the non-vertical asymptote. y = Does f(x) intersect its non-vertical
2 answers
asked by
jasmineT
576 views
f(x)=[5x^3-4x^2-8x+9]/[2x^2-1x-3]
Find the equation of the non-vertical asymptote. y = Does f(x) intersect its non-vertical
2 answers
asked by
jasmineT
514 views
consider the function f(x)=x^3 - x^2 - 3x -2. find the average slope of this function on the interval (-2,3). by the mean value
3 answers
asked by
matt
931 views
by applying rolle's theorem, check whether it is possible that the function f(x) = x^5 + x -17 has two real roots. your reason
1 answer
asked by
don
673 views
A____________B 9 miles is between A and B?
at 3pm Andy began travelling South at a rate of 4mi/hr from point A at the same time
2 answers
asked by
angel
989 views
Let f(x)=x^3-3x^2 find the absolute maximum value of f(x) on the interval [1,4]?
22 hours ago - 3 days left to answer
3 answers
asked by
angel
1,823 views
1)Convert 1/20 of a circle to both degrees and radians.
All I have is 9/180 is what I come up with. 2) what fraction of a circle
4 answers
asked by
ALISON
1,650 views
The wheels are connected BT a belt. One wheel has a radius of 10inches and is rotating 40rpm. If the other wheel has a radius of
1 answer
asked by
ALISON
440 views
At what rate is the amount of material growing if bacteria in a sample increases to 250 when the sample is observed for 150
1 answer
asked by
kris
338 views
Let g and h be nonnegative functions with limits 1 and infinity, respectively, as x → a. What is the limit of the function
4 answers
asked by
Anonymous
319 views
by cutting away identical squares from each corner of a rectangular piece of cardboard and folding up the resulting flaps, the
3 answers
asked by
Jemima
983 views
The point P(4, −2)lies on the curve y = 2/(3 − x).
(a) If Q is the point(x, 2/(3 − x)),use your calculator to find the
2 answers
asked by
someone please help me with this!!!!
1,167 views
Suppose that f(x) = 1/x. Find a simplified expression for f(x)-f(a)/x-a
3 answers
asked by
jane
403 views
A 18 -ft ladder leans against a building so that the angle between the ground and the ladder is 82 ^\circ.
How high does the
3 answers
asked by
michael
1,392 views
A window consists of a rectangular part of height h surmounted by a semicircle of radius r. The perimeter of the window is held
1 answer
asked by
jump
416 views
d/dx (4ln) (2x)sin2x using product rule
1 answer
asked by
ifrahissa
304 views
how would i find the derivative of these?
f(x)=ln((√x)+1) and f(x)=ln(x+1/x-1) thank u!!
1 answer
asked by
cathy
259 views
Find the point on the line 2 x + 6 y + 2 = 0 which is closest to the point ( 2, 0 ).
1 answer
asked by
sonia
357 views
A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y = 8−x2. What are the dimensions
1 answer
asked by
sonia
374 views
Pages
1
2
3
4
5
6