# Calculus (Answer Check)

86,066 results, page 86

### calculus

Find the limit. lim (5u^4+7)/(u^2-2)(2u^2-1) u-->infinity

### calculus

Determine whether f '(0) exists. f(x) = {xsin(10/x) if x can not = 0 0 if x=0

### Calculus

[Inverse Functions] f(x)= 5cos(x)sin^(-1)(x) f'(x)=?

### calculus

Differentiate the following function. y = (5 x^2 + 7 x + 6)/sqrt(x)

### calculus

If 5x^2+3x+xy=2 andy=-12, find y'(2) by implicit differentiation.

### Calculus (derivatives)

Find the derivative of cos^2(4x)

### Calculus

What is the antiderivative of f(x)= 2x^8 + 10x^5 - 8x^4 - 4? I got (2/9)^9 + (10/6)^6 - (8/5)^5 - 4x but it's not right.

### Calculus

The linear approximation at x = 0 to sin (5 x) is A + B x. Find A and B?

### calculus

find the derivative of y=sqrt of arctan x

### calculus

what is the the derivative of the absolute value fuction x-3

### Calculus

3 ⌠ 2⌡ (2x^2+5) / x^2 dx =? I got 1.66 but it was wrong.

### Calculus

Find the area enclosed between f(x)=0.4x^2+5 and g(x)=x From x=-5 to x=8

### calculus

find the derivative of f(x)=cot(3x)csc^2(3x)

### calculus

For a function f, let f*(x)=lim (f(x+h)-f(x-h))/h h->0 Determine f*(x) for f(x)=cos(x)

### Calculus

Express the four fourth roots of 1/2 + ã3/2 i

### Calculus

Express the following in Sigma notation 2+8+18+32+50+72

### Calculus

Express the following in Sigma notation 2+8+18+32+50+72

### calculus

U-Substitution 1. 3x(sin^2((3x^2)+1)cos((3x^2)+1)dx 2. (x^3)(sqrt((3x^2)+1)) dx u = ((3x^2)+1) then?

### Calculus

The total area enclosed by the graphs of y=6(x^2)–(x^3)+x and y=(x^2)+7x is ..

### Calculus

lim x->9 1 1 - - - 3 square root of x ___________________________ x-9

### calculus

Deternime the instantaneous rate of change at x=2 for: y=x-2x^3

### calculus

please help! Find the derivative of f when f(x) = 5 tan^-1 (e^-x) + 6e^x

### calculus

Use the principles definition to find dy/dx for: y= -3x^2

### calculus

lim sinx as x approaches pie/r

### calculus

lim (-x+10)/(x©÷-100) x¡æ10 is this correct? 1/20

### Calculus

Evaluate the indefinite integral. (e^7x)/(e^14x+16)dx

### calculus

differentiate y=x^2x. show all work

### Calculus

Find the total derivative dz/dt, given z=f(x,y,t) where x=a+bt and y=c+dt

### calculus plzz help!!!

Differentiate the following function. ((8x^1/2)+(9/2x^1/3))^2

### calculus

find derivative of (8sqrt(x)+(9/2root3(x)))^2

### calculus

Find f' for each of the following where g and k are differentiable functions: f=(g^3)(k^2)

### calculus

find f' for each of the following where g and k are differentiable functions. F= g{sq.rt. of k(x^2)}

### calculus

find the derivative of y= 3-secx/tanx

### calculus

Given F(x) = ax+3, x>5 8 , x=5 x^2 + bx + a, x<5 Find a and b so that f(x) is continuous everywhere.

### calculus

How do you solve the initial value problem? (dy/dx)-2y+4=0, y(1)=4

### Calculus

find f'(x) f(x)=cos(2x)tan(2x)/2√x

### Calculus

Lim x-->infinity 10/x+10 find the limit

### calculus

Find an equation of the line tangent to 2x^2-x-ln(x-4)-y^2=9 at (5,6)

### CALCULUS/DERIVATIVE

C(X)= 2.7X +4.7 SQRT OF [400^2 + (780-X)^2]

### Calculus

How do you find the derivative of: y= 2sinx cosx

### Calculus

How can i find f''(x) of the function f(x)= 2(cosx)(sec^2x)

### Calculus

How do i find the second derivative of f(x)= tan(1-x)^1/2

### Calculus

How can i find the ln of both sides of the equation? 6=6e^3x and O.2= e^-kt

### pre-calculus

Solve this Function: (3x-7)^2 (x^2-9x+18) ---------------------- x (x^2-12x+40) (x^16)

### pre calculus

How do you simplify cos ((pi)/2) - feta?

### CALCULUS

Show that the quadrilateral with verticies at P(0,2,5), Q(1,6,2), R(7,4,2), and S(6,0,5) is a parallelogram.

### Calculus

Find the volume of the tetrahedron with verticies (1,1,2), (3,-4,6), (-7,0,-1) and (-1,5,8).

### Calculus

f(x)= 1/x, x greater than 7 3x, x less than or equal to 7 Find f(7t)

### Calculus

y=x^2-11x+30 For what values of x is y greater than or equal to 0?

### calculus

f(x)= 1/x, x greater than 7 3x, x less than or equal to 7 Find f(7t)

### calculus

Find the derivative of the function. y = cos^4(¹t - 8)

### calculus

Calculate dy/dt using the given information. xy + x = 12; dx/dt = -3, x = 2, y = 5?

### calculus

Calculate dy/dt using the given information. (x+y)/(x-y)= x^2 + y^2; dx/dt = 12, x = 1, y = 0?

### calculus

Calculate dy/dt using the given information. (x+y)/(x-y)= x^2 + y^2; dx/dt = 12, x = 1, y = 0

### calculus

find all critical points of f(x) = x^4 – 4x^3 + 4x^2

### Math - Calculus

I have to solve for x in this problem: (3x+5)/[(x-1)(x4+7)=0

### calculus

find the domain of f(x)=5/¡Ì(x2-4) and also range

### Calculus

find the area of the region. 2y=4sqrtx , y=3 and 2y+2x=6 ?

### calculus

Find the anti-derivative of x^4... Isn't it 4x^3+c? Please help... Thanks!

### calculus

limit of sin x / 2x squared - x as x approaches 0

### Calculus

Evaluate the integral from 2/sqrt2 to 4; 1/(t^3 sqrt(t^2-4))?

### calculus

Find a value for k so that 2x^2 + kx + 1 has no real roots.

### calculus

f (4 + h) - f (4) = 4h^2 + 4h (a) What is f '(4)? (b) What is the slope of the secant line through (4, f (4)) and (7, f (7))?

### calculus

find the arc length from (x1,y2) to (x2,y2) on the graph F(x)=mx+b

### calculus

Fond the limit of lim x -> 3 [1/(x+4)] - (1/4) _________________ x

### Calculus

If the function f is defined by f(x)=x^2-2x, find limit h->0 (f(3+h)-(f(3-h))/2h

### CALCULUS

Let f(x)=x 2-x-12 (3) What power function approximates f(x)for large x?

### Calculus

What is the limit, as x goes to 0, of [sinx(1-cosx)]/(2x^2)?

### calculus

what is the quotient of the sum and difference of 370 and 25

### Calculus

Does the limit exist for (x^2-1)/(abs(x-1)) as x goes to 1?

### calculus

how do you solve Lim sqrt((x+1)/(4(x-1)) x-infinity

### calculus

find d/dx [cot(sec^3(cos(3x^2-5x+3)))]

### Math-Calculus

If f(x)=5ex+4xe find f'(x) .

### calculus

if f(x)=ln(x^3 +1) find f'(3), correct to 2 decimal places

### calculus

if f(x)=ln(x^3 +1) find f '(3), correct to 2 decimal places

### Calculus

How to simplify for ln(3+e^8)?? I thought It could be ln3+8. But it was wrong. Help me!

### calculus

Find d2y/dx2 in terms of x and y. y5 = x6

### Calculus

Find the derivative of f(x) = ln(48e3x − 11)

### Calculus

Find the derivative of f(x) = ln(48e^3x − 11)

### calculus

how do i differentiate √secx+tanx ??

### calculus

xe^(4x) List all the critical numbers:

### calculus

how do you do price elasticity when you have the equation p^3 x^3=9. and x=2

### calculus

Find all critical numbers: x^(1/3)-x^(-2/3)?

### Calculus B

Prove: lim as x goes to 0+ of x^(sinx)=1

### Calculus

Find the solutions of the exponential equation e^(2x)-5e^(x)+6=0

### calculus

find the sum ∑(n/(n+1)!) from n=1 to infinity

### Calculus - integration

Q. ¡ò(15^x/3^x) dx i know that the ¡ò(a^x) dx = a^x/lna +c but i don't know how to solve this question. thank you

### calculus

If y varies inversely as the square of x, and y=0.5 when x=1, find y when x=9

### calculus

Find all critical numbers: (x^2+12)(9-x^2)?

### calculus

solve (12/t)+t-8=0 (solving rational equations)

### Calculus I

Consider the function f(x)=((2)/(x^2))-((3)/(x^5)). Let F(x) be the antiderivative of f(x) with F(1) = 0. Find F(3).

### calculus

find maclaurin series. f(x)=tanx

### calculus

find maclaurin series. f(x)=log^a(1+x)

### calculus

if f(x)=Inx, find: f(2)+f(3) solution pls

### calculus

find the first derivative of y=cos(/9t+11

### pre calculus

f(x)= a+tan(bx) fina a and b f(0)= 5 f(pi/8)=1/sq root of 3 +5

### calculus

Evaluate. int_(pi)^(pi) (sin(x))^(3) (cos(x))^(3) dx

### Calculus 1

Find dy/dx by implicit differentiation. X^2 + y^2 = tan(xy)

### Calculus

6x-3y=4 find dy/dx using differentiating implicity