# Calculus (Answer Check)

86,499 results, page 99

### Calculus

Find the limit of x as it approaches zero. (Sin^2 8x)/x^2

### Calculus

Find the limit of the following as x ->2 6-x, if x<2 2x+1, if x is greater than or equal to 2

### Calculus

Find the limit as x approaches 0 of (tan6x)/(sin2x)

### Calculus

State the domain and range for each: f(x) = 4x + 1 and g(x) = x^2 f(x) = sin x and g(x) = x^2 - x + 1 f(x) = 10^x and g(x) = log x

### Calculus

Find k such that the line [y=5x-4] is tangent to the function : x^2-kx

### Calculus

Evaluate the Integral (x^5sqrt(10+x^6))dx by making a u-substitution.

### Calculus

Given a power function of the form f(x)=ax^n, with f'(3) = 14 and f'(6) = 28, find n and a.

### Calculus

Find the limit: as x approaches 0 lim((5/x)-(5/sin(x))

### brief calculus

Find f(x) if f(1) = 1 and the tangent line at (x, f(x)) has slope 6/x

### Calculus

Find the critical points of f(x) = 0.05x + 25 + (180/x)

### Calculus Sigma Notation

Find a and n such that: 8+16+32+64+128 (k=a) a=? n=?

### Calculus

P(x) = 12x / (1-x) What are the critical points and where is P(x) increasing and decreasing?

### Calculus

Consider the function f(x)=(7/x^2)-(6/x^6). Let F(x) be the antiderivative of f(x) with F(1)=0. Then F(2) equals _____.

### calculus

let f:[0,1] - [0,1] be continuous function .show that there exist a in [0,1] such that f(a)=a

### pre calculus

Simplify the rational expression 3 (1 + x)^1/3 - x (1 + x)^-2/3 divided by (1 + x)^2/3

### Math (pre calculus)

please simplify (1/1+x+h) - (1 /1+x ) divided by h

### pre calculus

Slove: 2logbase5(x+2) = 2 + log base5(x-2)

### calculus

Surface area of revolution y=(x^3)+3 about the x-axis from (0,1)

### Calculus Please help!

The linearization at a=0 to sqrt(1+2x) is A+Bx where A is____ and where B is _____? A=? B=? Ty

### Calculus

Evaluate limit as x approaches 0 of: csc^2(7x)tan(2x^2)

### Pre Calculus

Determine an approximate solution to the inequality 2^x=x^2.

### Calculus

Solve the differential equation dy/dx=3x^2y^2 with the condition that y(1)=4. I know that y= -1/(x^3 + c) but what do I do with the y(1)=4 part?

### Calculus

Find the area of the region enclosed by the parabolas y=x^2 and y+2x-x^2

### Calculus

Determine whether Ax = lnx/(sqrt x) is convergent

### Calculus-Math

Use the given information to find f '(8). f(x) = 9g(x) + h(x) g(8) = 1 and g'(8) = 5 h(8) = 8 and h'(8) = -3 f'(8)=

### Calculus-Math

Find d2y/dx2 in terms of x and y. x^2y^2-2x=3

### Calculus

What is the derivative of 3sin(4x)? I have no idea where to begin!!!

### Calculus

Suppose the area under the curve y=xe^(-mx) from 0 to 1 is 0.4. Find m.

### maths-calculus

find the limit as x approaches infinity, -(x+1) (e^(1/(x+1))-1)

### Pre-Calculus

Find all zeros of the polynomial P(x)=x^3-x-6

### calculus

Z=square root of(x^2+y^2) + xy Find the partial derivatives: x, xx, y, yy, xy. Thanks.

### Pre-Calculus/Trignometry

am i right? for f(x)=2x+1 and g(x)=x^2-7 find (fog)(x. 2x^2-13 <--

### AP Calculus

Using the definition of derivative find f'(x) when f(x) = (1/sqr x) + x.

### pre calculus

sinB + cosB cotB = cscB

### calculus

f(x,y)=2xe^y-3ye^-x derive second order

### calculus

Find the maximum and minimum values of f(x, y) = xy on the ellipse 8\!x^{2} + y^{2} = 9.

### calculus

f(x)=x2(x−24). So f is decreasing (and f′ is negative) on the interval (0,a) for a= ?

### calculus

Given g(x) = (x + cosx)/(e^x - 2x^3 + 5). Find g'(x). Do not need to simplify.

### calculus

9) Find all critical numbers of the function f(t)=9t^2/3+t^5/3

### Calculus 1

Given f(x)= 3e^(1-x^2)*ln(x), find the equation of the tangent line at x = 1.

### Calculus

Find the point(s) (if any) of horizontal tangent lines: x^2+xy+y^2=6

### Calculus

Using an appropriate linear approximation approximate 26.9^(4/3).

### calculus

The function f(x) = (7 x+9)e^{-2 x} has one critical number. Find it.

### calculus

find the derivative of y with respect to x if y=(13x^2-26x+26)e^-3x. y'=

### calculus

find the derivative of the function s=t^9lnabsolut power t

### Calculus

What does this equation mean? X = Cos (T) * Phi ^ ((2 / Pi) * T) Y = Sin (T) * P

### Calculus

11) Find the following indefinite integrals. ∫x/(x+9)^(1/2)dx

### Calculus

If f(x) = {x^2+3x-1, x<=2 and -3bx+3, x<2 , find the value of b in order for f to be continuous

### Calculus

If f(x) = {x^2+3x-1, x<=2 and -3bx+3, x<2 , find the value of b in order for f to be continuous

### Calculus

Find limit as x approaches 5 (x^2-3x-10)/(x-5) A. 2 B. DNE C. 0 D. 7 E. None of these

### Calculus

If f(1)=4 and f'(1)=2, find an equation of the tangent line at x=1 A. y=2x+2 B. y=2x-2 C. y=4x-7 D. y=4x-2 E. None of these

### Calculus

Find the derivative: f(x)=1/cubed root(3-x^3) A. -1/3(3-x^3)^4/3 B. x^2/(3-x^3)^4/3 C. -x^2/(3-x^3)^2/3 D. -x^2/(3-x^3)^4/3 E. None of these

### AP Calculus

Find f'(x): f(x)=(x^2-3x)/x^2 A. 2x-3/x^2 B. 2x-3/2x C. 1-(3/x) D. 3/x^2 E. None of these I get confused on the simplifying part.

### Calculus

The slope of the line tangent to the curve xy+(y+1)^2=6 at the point (2, 1) is

### Calculus

Find the interval on which f(x)=xe^-x is increasing. I got (1,infinity)..

### Calculus

On what intervals is the function f(x)=e^e^2 increasing? Concave upward?

### Calculus

Find the interval on which f(x)=xe^-x is increasing. I got (1,infinity)..

### Calculus

Y=2sinx-cos^2(x) on [0, 2pi] How do you solve for the x-intercept

### Calculus

Use linear approximation to approximate f(0.8) given f(x)=2x^3-3x+1

### Calculus

Find the derivative of 1/(1+(x-3)^2) Steps would be appreciated.

### Calculus

find the absolute extrema for f(x)= (5-x) with a closed interval of -1,2

### calculus

finding first derivative for functions y=x³In(5x)

### Calculus

Find dy/dx for 5x^2-2xy+7y^2=0 I'm getting confused with signs.

### college pre-calculus help

simplify: 6-y/6/1/6-1/y 6-y/6*6y/y-6= 6y/6=y Is this correct help i need help!!

### ap college pre-calculus

if 3abs(x+4)=8, then x=? A. {-10,2} B. {-2,2} C. {-19,11} D. {-22,-14} which one? idek

### Calculus

I get mixed up when graphing derivatives. If I'm given the graph of f how do I get f' and f"?

### calculus

Find the x-coordinates where f '(x) = 0 for f(x) = 2x + sin(2x) in the interval [0, 2π].

### Pre-Calculus

Reflect f(x)=x^2 about the y-axis. What changes?

### Calculus II

Find the indefinite integral. ∫xe^-4xdx

### Calculus 2

use the method of equating coefficients. integral of (x^3+5x^2+12)/((x^2)(x^2+4)) dx

### Calculus

Find the anti-derivative of the integral (7tan^2x+12)dx

### Calculus

Find the anti-derivative of the integral [3sqrt(x)(2x^2-4)]dx

### Calculus

Integrate Cos^7(2x) Explanation would be helpful

### Calculus

When given the f graph, how do you determine extrema of F(x)? Concavity of F(x)?

### calculus

Find dy/dx by implicit differentiation. arctan(2x^2y)=x+4xy^2

### calculus

Find the area of the region bounded by the curves y=x^2 & y=2x???

### calculus

differentiate y = 2^3x^2 read as two to the 3x squared power

### Calculus 1

Find the derivative of the function. F(t) = e^(4t sin 2t)

### Calculus

Find the equation of the tangent line when x=2 for the functin f(x)=5^(x/2)

### Calculus

Simplify using basic simplification. f(x)=ln[(sqrt(x^2+1))/(x(2x^3-1)^2)]

### Pre-Calculus

Convert from standard to vertex form: (x+5)(x+4) x^2+ 9x + 20 (x+3)^2 + 20 - 9 (x+3)^2 + 11 <------

### calculus

Solve the equation. Give the exact solution. 2*10^(5x-3)+5=17

### Pre - CALCULUS

Find the inverse of the matrix, if possible. A = { 0 -6 } {-2 -5} A. 0 -1/2 -1/6 5/12 B. -1/6 0 5/12 - 1/2 C. 5/12 - 1/2 -1/6 0 D. 5/12 1/2 1/6 0 C ?

### Calculus

Find the area bounded by y=x^2-4x+3 and y=x+4 to the newrest integer.

### Calculus

Find the area of the region bounded by the curves y=x^2 - 2x and y= x + 4

### Calculus

Find the average value of the function f(x)= 8/ (3+x)^2 on the interval [0,2]

### Calculus

Find the average value of the function f(x)= 8/ (3+x)^2 on the interval [0,2]

### Calculus - Derivative

The curve is given by x^2+2r(sqrt(y))=xy What is dx/dy when r is constant?

### Calculus, derivatives

The curve is given by x^2+2r(sqrt(y))=xy What is dx/dr when y is constant?

### Calculus

For f(x)=(1-x)/(1+x) and g(x)=x/(1-x) , find the simplified form for f [g(x)] and state the domain

### Calculus, derivatives

Derivative of y=(a^x)+(x^a). Show steps, please.

### Calculus

Find the limit of cosx/(1-sinx) as x->(pi/2) from + side

### pre-calculus

What is the exact value of sin 225

### calculus

Find the equation of the curve for which y''=6x-4 and which passes through (1,2) and (-2,5). thank you :-)

### calculus

find the equation of the curve for which y'=3x^2 and which passes through (1,-1)

### calculus

find the equation of the curve for which y''=6x-4 and which passes through (1,2) and (-2,5).

### calculus

find the minimum and maximum points of the curve y=x^4-4x^3+4x^2

### Calculus

If 2 < or = to f(x) < or = to x^2 + 2 for all x, find the limit of f(x) as it approaches zero.

### calculus

y=2^nx differentiate with respect to x using the first principle