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Calculus
Page 10
Questions (17,715)
f(x)=x^3(x^(4)-8)
Find f '(x) by multiplying out before taking the derivative Is the answer x^12+-8+x^12-8x^3 simplified to
1 answer
asked by
George
301 views
how do i find dy/dx of
y = (x^3-1)/cos(x) do I start with (x^3-1)*cos(x)^-1 ? Thanks!
1 answer
asked by
Andrew
294 views
C(x)= 16sqrt(x) + (x^2)/1000
Find the production level that will minimize the average cost
1 answer
asked by
Carl
350 views
C(x) = 16x^(1/2) + x^2/1000
Find x to meet the minimum cost
5 answers
asked by
Carl
343 views
If d/dx(f(3x^5))=9x^4
Find f'(x)
4 answers
asked by
Carl
359 views
Find a formula for the following function.
A parabola opening downward with its vertex at (6,1) and y -intercept equal to -35.
5 answers
asked by
George
373 views
What is the integral of
dx/sqrt(9+x^2) and integral of x^2/(1-3x)dx
1 answer
asked by
Anonymous
300 views
find the derivative of f(x)=(3)/(x-2) at x=4
5 answers
asked by
Julie
312 views
t 2 4 6 8 10 12
v(t) 44 42 41 40 37 35 the velocity in the table is decreasing 2 </= x </= 12. Using n=5 subdivisions,
1 answer
asked by
Dan
367 views
Evaluate:
Limit - Theta approaches 0 Theta /cos theta
1 answer
asked by
jane
423 views
Find the derivative of the function, xy-x-12y-3=0.
Is the answer -14,I got this from 1-1-12=0, which solves to -14.
3 answers
asked by
George
409 views
How do you do this question.
f(x) = (5x-1)/(2-3x), find f^(-1)(x). The answer is supposed to be (1+2x)/(5+3x).
1 answer
asked by
Samantha
397 views
differentiate
y = (x + 2) / (x^3 + x - 2)
1 answer
asked by
jack
427 views
Suppose f(x) is differentiable at x=a. What does tangent line approximation, y=, mean? Select all that apply
(A) Local
1 answer
asked by
George
762 views
what is the limit of x/(ln x) as x approaches 0?
1 answer
asked by
Jane
359 views
Find the limit of (10^x - 5^x)/x as x approaches 0
without using l'Hospital's rule
1 answer
asked by
Anonymous
412 views
Find the maximum and minimum values of f(x,y,z)=x+4y+5z on the sphere x^2+y^2+z^2=1.
1 answer
asked by
Smith
386 views
what is the limit as x goes to 1- of
(arcsin(x) - pi/2 ) / sqrt(1-x) ? I tried using L'Hopital's and it doesn't work.
3 answers
asked by
Shaniquaa
490 views
How do you integrate
square root of (4-x^2) ? Pleasee help!
3 answers
asked by
Megan
373 views
series: n=1 to n=inf of 6/(n^3-4)
convergent or divergent?
1 answer
asked by
Shaniquaa
386 views
How do I prove that the series ln(n)/(3n) is divergent?
1 answer
asked by
Shaniquaa
338 views
series n=1 to n=inf
4/(n^2 - 36) what happens when n=6 and there is 0 in the denominator? do we just skip it?
1 answer
asked by
Shaniquaa
285 views
What methods can I use to prove that the limit as (x,y,z)--> (0,0,0) of a function of 3 variables does not exist?
1 answer
asked by
Shaniquaa
370 views
Is the series (8+1^n)/(1+2^n) divergent or convergent?
3 answers
asked by
Shaniquaa
353 views
Find the partial derivatives of f(x,y)=(sinx + y)^(y sinx)
1 answer
asked by
Shaniquaa
330 views
Solve for the function y.
dy/dx = xe^y, when y(1)=0 I got as far as: e^-y dy = x dx But then how do you continue from there?
1 answer
asked by
Kyle
277 views
Washer Method:
y=x^3, y=1 ,x=2 aroud the Y axis
1 answer
asked by
jack
301 views
2y^3 - 3xy = 4
1) Find dy/dx 2) Write an equation for the line tangent to the curve at (1,2) 3) Find d^2y/dx^2 at (1,2)
3 answers
asked by
Derick
544 views
Find the area between the two curves
f(x)= ln(x+1)+2 g(x)= x^2-8x+12
1 answer
asked by
mary
321 views
I am lost. Find dy/dx by implicit differentiation.
1) 5y-2x^2=x-3
1 answer
asked by
Jane
369 views
Here's another one - I think that I am starting to understand it.
Find dy/dx by implicit differentiation: x^7 = cot y My answer
4 answers
asked by
Jane
429 views
Answer ? - impicit differentiation
Find dy/dx & d^2y/dx^2 y^2 - x^2 = 2 is the answer dy/dx=x/y; d^2y/dx^2= y^2-x^2/y^2
1 answer
asked by
Jane
409 views
More questions on - finding dy/dx
1) y = sqrt 4 + sin 10 x - I am lost again 2) y = 10/sin x answer: - 10 csc x cot x 3) y = sin
3 answers
asked by
Jane
400 views
Find:
1)x^2-y^2=15, normal at (-8,7)
1 answer
asked by
Jane
301 views
find the integral of x^2 - sec3xtan3x
2 answers
asked by
Bill
300 views
I am having trouble with these 2 problems.
Evaluate: (1/x^9)dx Evaluate: (5x^5-4x^3+6x)dx
1 answer
asked by
Josh
379 views
1.Evaluate: (1/(x*sqrt(x^2-4))
I know the answer is -1/2*arctan(2/sqrt(x^2-4)), but I am having trouble getting to this answer on
1 answer
asked by
Sandy
444 views
Find the horizontal asymptote for the function: 3x^4-2x^3+7x/x^4/14x-2
3 answers
asked by
Branden
382 views
Find all the points of inflection of the function: f(x)=x^3-3x^2-x+7
1 answer
asked by
Branden
364 views
Am I allowed to multiply an entire integral (on the inside AND the outside) by negative 1? I have a potential trig identity in
1 answer
asked by
Hannah
410 views
Find the intergral of 1/[cos(^2) x
4 answers
asked by
Claire
400 views
Use integration by parts to find the given integral:
∫_9^1 (7t - 42)e^(7 - t) = [-28(1 + e^8)] / e^2 Is my answer correct?
3 answers
asked by
Anonymous
381 views
3^2/3^4
I did this through my calulate and I came up with 1/9, but that is not the correct answer. I'm not sure what to do?
1 answer
asked by
Avery
317 views
How does ln(e^-x) = -x
I know that the derivative of ln is 1/x so it would be 1/(e^-x) but how does that simplify to -x? I am
1 answer
asked by
H.
345 views
How do I find the frequency of this oscilliating spring.
A= 10cm displacement t= 1s h(t)= Acos2ðft
1 answer
asked by
Sandra
378 views
Let P(x,y)=5x^3y+8xy^3. Then Px(-1,1) is? And Pxy(-1,1) is?
1 answer
asked by
Andrey
448 views
FInd the x-coordinates where horizontal tangents for F(x)=2x^2+4x-12 occur. The rightmost one occurs?
1 answer
asked by
Andrey
408 views
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis.
y=x^2 x=y^2
1 answer
asked by
Anonymous
346 views
Is the function F(x)= the square root of 1-x^2 continuous at x = 1? Give the reason for your answer.
4 answers
asked by
Tyler
385 views
Compare the difference quotient and the derivative. For each, describe 1) where they come from, 2) what they represent, and 3)
1 answer
asked by
y912f
450 views
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