1,125 Answered Questions for the topic AP Calculus
find area under curve
Using the left-had approximation method with 5 equal subintervals, find the area under the curve f(x)=√(1+x3) on the interval [0,1].
a.) 1.074
b.) 1.156
c.) 2.356
d.) 1.110
solving using integrals
if I have a graph of f(x) and I want to find (on the top of the integral sign is 5, and on the bottom is -2) ∫f(x)dx
what would ∫f(x)dx equal?... (if the graph has points at (-5,2) (-2,0)...
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integrals for area between curves
what integral formula would represent the area between the curves f(x)=-x2+2x+3 and g(x)=x+1 on the interval [-1,2]?
solving integrals
∫ ( (dx)/√(x2+36) )=_____________
a. ( (√(x2+36)+x)/6 )+C
b. ln abs( (x+6)/(√(x2+36)) )+C
c. ln ( (√(x2+36)+x)/6 )+C
08/12/15
trigonometric substitution to evaluate integral
Which trigonometric substitution can be used to evaluate the integral: ∫ ( (dx)/(√(a2+x2)) ) ...?
x= a tanθ
x=a sinθ
x=a secθ
solving integrals
∫ ( (x+3)/√(1-x2) )dx=_____________
what is the antiderivative?
what would be the antiderivative of f(x)=12x3-9x2+8x-3
I believe it would be 3x4-3x3+4x2-3x+7 , is that correct?
08/12/15
second derivatives
Using the second order derivative equation: ( (d2y)/(dx2) )-9y=o
Which of the following would be true?
y= e3x
y=e-3x
y=2e-3x
y=xe3x
08/11/15
substituting a value into an integrand
if the substitution √(x)=sin(y) is made into the integrand of (with the upper limit of: 1/2 and the lower limit of: 0) ∫ ( (√(x) )/( (√(1-x) )dx , the resulting integral is _______________.
Word problem using rate of change and integrals
A giant spherical snowball is melting such that its radius decreases at a rate of 5 mm per hour. How fast is the surface area changing when the diameter is two meters? How fast is the volume...
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find tangent and ppoints on curve where there is a horizontal or vertical tangent
If I have the equation x3+3xy2+y3=1
What would be the equation for the tangent line when x=0, and what are all the points on the curve where the curve has a horizontal or vertical tangent? (I...
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08/11/15
continuous and differentiable function
Let f be a continous function on interval [-1, 9] and differentiable on (-1, 9). If f(-1) = 2 and f(9) = 7, then which of the following are necessarily true?
i. f'(c)= (1/2) for some c...
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08/11/15
what is the absolute maximum
If f(x)= ((1/4)x4)+((1/3)x3)-(2x2)-(4x)+6 for x in the interval [–4,10], then f has an absolute maximum at ______.
Ap Calculus Calculus
08/11/15
relative min and max
What is the total number of relative maximum and minimum points of the function whose derivative for all x is given by f ‘ (x) = x(x – 3)^2 (x + 1)^4 ?
08/11/15
application of mean value theorem
The function f(x)= x(2/3) on [-8,8] does not satisfy the conditions of the mean-value theorem because... A. f(0) is not defined. B. f(x) is not continuous on [-8,8]. C. f ‘...
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Ap Calculus
05/26/15
Find the area bounded by the curve x = y3 - 2y2 - 3y and the y-axis.
Calculus question that i am having trouble with
Ap Calculus
02/24/15
The function f is continuous and non-linear for -3 is equal and less than x is equal and less than 7 and f(-3)=5 and f(7)=-5.
If there is no value of c on -3<x<7 for which f'(c)=-1, which of the following statements must be true?
a) for come c on -3<c<7, f'(c)<-1
b) For some c on -3<c<7, f'(c)>-1...
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11/23/14
double derivative y^3-xy=5 PLEASE HELP!!!
i just cant get why i got this wrong and i cant find the answer online, please tell me the answer and how to do this step by step, thank you so much!!
Ap Calculus
11/13/14
Given the curve y=x ?k ?? +x ?k-2 ?? and k is an odd integer greater than 1. If the slope of the curve at x=-1 is 8, then what is the value of k?
i found the derivative to be 8=k(-1)^k-1 + (k-2)(-1)^k-3 after the x value was plugged in. now what?
09/22/14
find the limit of (1-cos2x-cos4x)/x as x->0 and show all work!
fin the limit of (1-cos2x-cos4x)/x as x->0 and show all work!
lim of (x+1)/(x+2) when x->3+
lim (x+1)/(x+2)
x->3+
how would a + or - on c change anything when solving without a graph?
Ap Calculus
01/24/14
dy/dx=x^2(y-1)
dy/dx=x^2(y-1)
how to do this? Find the solution to the following differential equation of f(0)=3
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