# Pre- Calculus

21,321 results, page 62

### multivariable calculus

int (30y1y2)dy1 ?

### calculus

the second derivative of y for the point (-1,1) for the equation x^2y+3y-4=0

### calculus

implicit differentiate this equation in terms of y x^2y^2=(y+1)^2(4-y^2)

### calculus

find dy/dx of xsiny+cos2y=cosy

### Calculus

If f(x) and g(x) are continuous functions with f(6)= 3 and limit as x approaches 0 of (5f(x) - g(x)) = 4, what is g(6)?

### Calculus

Washer Method: y=x^3, y=1 ,x=2 aroud the Y axis

### Calculus

I am lost. Find dy/dx by implicit differentiation. 1) 5y-2x^2=x-3

### calculus

how do you find the x and y intercepts of an equation? i forgot.

### calculus

Find a formula for the inverse of the function f(x) = (4 x-1)/(2x+3)

### calculus

evaluate: integration of x^2 (square root of (1-2x^3))dx

### Calculus

Evaluate the integral: sin^2(5x)cos^2(5x)dx

### calculus

integrate log base 10 x / x dx i don't understand this

### calculus

sec^2(x) / (1+2tanx)^2 dx please help me with this integration thank you

### calculus

what are the steps and explanations for differantiating this function? y = ln(e^-x + xe^-x)

### Calculus

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 confused....

### calculus

how do you take a limit of [ln(1+e^n)]/2n as n goes to infinity?

### calculus

how do you find the limit as n approaches infinity of n/(2^n + n)?

### Calculus

How to integrate with position, velocity and accelleration

### Calculus

Evaluate the limit. lim x-->infinity 5x+6/6x^2-3x+7

### Calculus

f(x)=sin^(7)x The 7 is an exponent and the x is not. Find the derivative.

### calculus

find the max point on the graph f(x) = -1/3x^3 + 3x^2 - 5x

### calculus

Differentitate y = e^x^2 -^5^x +^4 so far i have dy/dx = 2x e^(x^2) - 5^(x)* ln 5 + can you help with the rest?

### calculus

simplify the following: 2ln(x-3)+ln(x+2)-6ln(x)

### Calculus

Using the first of these limits, find f'(3) if f(x)=4x^2+4x-2

### calculus

find the first derivative of f(x)=(3-4x)^5tan(2x^2-x-1)

### Calculus

The expression e^x / e^(4+x) can be written as e^f(x), where f(x) is a function of x, find f(x)?

### 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

Let f(x) = ln(((2x–5) / (7x+4))^(1/2)). f'(x) = ... I keep on getting the wrong answer.

### 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

Need the answer to find dy/dx y=(1+cos^4(t/12))^3

### 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

### Check Calculus

What is the sum of 3 forces in equilibrium? Is it F3 = - (F1 + F2) or 0?

### Check Calculus

What is the sum of 3 forces in equilibrium? Is it F3 = - (F1 + F2) or 0?

### 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 domain of function f(x)= (5x + 4)/(x^2 + 3x + 2) is the answer.. x can't be -2 or -1?

### 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?