# Pre- Calculus

21,152 results, page 60

### Calculus

Find the derivative of the function. h(x)=(x^10-1)^3 h'(x)=

### calculus

The linear approximation at x = 0 to f(x) = \sqrt { 5 + 4 x } is y =

### calculus

The linear approximation at x = 0 to f(x) = \sin (5 x) is y =

### Calculus

what is x and cosh ln(x) when tanh(lnx^(1/2)= 12/13

### calculus

find the derivative of the function y=(2x+1)^3(4x+1)^-4

### calculus

find the derivative of the function y=(4x+3)^5(5x+2)^-4

### calculus

find the derivative of the function y=(3x+4)^5(4x+1)^-2

### Calculus

4) On the integral from 1 to 2 ∫(4x^2+4)/x^2dx =?

### Calculus

Find limit as x approaches 5 (x^2-3x-10)/(x-5)

### Calculus

Find dy/dx if x^2+y^2=2xy A. x/(x-y) B. (y+x)/(y-x) C. 1 D. -x/y E. None of these

### calculus

If sec x = -3, 0 < x < pi, find cot x.

### Calculus

Find critical points for y'=2/3x^3-4x

### Calculus

I don't get how you get this part: f' = (1-x)/(1+x)^3 f" = [(-1)(x+1)^3 - 3(1-x)(x+1)^2]/(x+1)^6 = [-(x+1)+3(x-1)]/(x+1)^4 ( I don't understand how you got this!!) = (-x-1+3x-3)/(x+1)^4 = (2x-4)/(x+1)^4

### Calculus

Solve the differential equation f"(x)=x^2, f'(0)=3, f(0)=-1

### calculus

integral sqrt(1-x^2) . sin^-1 x dx

### Calculus

Integration with substitution The integral of f'(g(5x))g'(5x)dx

### Calculus

The integral of sin(7x)cos(7x)dx

### Calculus

would the derivative of f(x)=(7^x)(x^7) be f'(x)=(7^x ln7) (7x^6)?

### Calculus

Evaluate: the integral from pi/8 to pi/6 csc2xcot2xdx

### calculus

If u=(0,2,3) and v=(1,3,-1) find the projection of u onto v a) 1/3 u b) 3/11 v-> -> c) (1,1,-1) d) (1/3, 1, -1/3)

### Calculus check

y=-1/sqrt(x^2+1) , then dy/dx= A. x/(x^2+1)^1/2 B. x/(x^2+1)^1/2 C. -x/(x^2+1)^1/2 D. -x/(x^2+1)^3/2 E. x/(x^2+1) I got B.

### calculus

cos2x=secx find x

### Calculus 1

How do you find the derivative of 1/3(x^2+2)^3/2 ? Please help

### Calculus

Evaluate dy/dt for 2xy-2x+2y^3=-10 with the conditions dx/dt=-4 x=2 y=-1 dy/dt=?

### calculus(urgent pls)

Integral of 1/[x^2(1+x^2)]

### Calculus

f(x)=xe^-x^2. What interval is this function increasing.

### Calculus

How do the constants 5, 4, and 12 in f(x) = 5x^2 - 4x + 12, affect the derivative? Thanks!

### Calculus AB

Find the limit as x->infinity of ((3x+2)/(3x+4))^(3x+1)

### calculus

what is the range for the function j(x)=5+sqrt of 2-x

### Calculus

Differentiate each function with respect to x: F(x)=x/(x+1)^1/2

### Calculus 1

Differentiate. f(x)=5sqrt(x)sinx

### Calculus

What does it mean when the limit of f(c) doesn't exist?

### Calculus 1

Find the derivative of the function. y=(e^3u -e^-3u)/(e^3u+e^-3u)

### differential calculus

differentiate g(t)=3/sqrt(t)

### Multivariable calculus

Find dy/dx x=te^t y=t+sint

### calculus

If f(x) = 5ex cos x, find f '(x) and f ''(x).

### Calculus

Calculate the approximation. L4, f(x)=cos^2 x , [pi/6, pi/2]

### Calculus

Find c so y=4x+3 is tangent to the curve y=x^2+c

### Math 142 (calculus)

Determine d^2y/dx^2 for y=(5x^5+7)^4

### Calculus

Find the limit as x->infinity of (1+8/x)^x

### Calculus

Evaluate the integral. cot3(4x) dx

### Calculus

Calculate integral [0, infinity) xe^(-x) dx

### Calculus

Given dy/dt=4y and y(2)=400. Find y(7).

### Calculus

Find the derivative of f(x)=(2x)^(1/2)ln(15x)

### calculus

Find the critical numbers x1 and x2 of y=(9x^2+3)/4x.

### Calculus pz help urgently

Integrate:sinxcos(x-1/4.pi)dx

### Calculus

How do you use u-substitution with 20sin(x^2/35)?

### Calculus

Find the implicit differentiation for each. 1) x^2 = (x-y) / (x+y) 2) (x+y)^3 + (x-y)^3 = x^4 + y^4

### Calculus Plz Help

If f(x)=x^4, compute f(-2) and f'(-2) f(-2)=___ <--- ?

### High school calculus

Calculate y when dy/dx = 1/(bx+5)^3

### calculus

area between the curves y^2=4x , 7y=2x+20 , 2x+3y=0

### Calculus (easy)

What is the polar form of (-2-2i)?

### Calculus

Need help with a few questions

### Calculus

solve the equation y'=(sqrt(x))/2y

### Calculus

when x intercept -3, point P(2,5,7) and Q(1,10,14) how to find x,y and z?

### Calculus

lim (x--> infinidy) x^2/ln(x)= -1 0 1 e does not exist

### Calculus

Find F'(x) for F(x)= integral[from 1 to x] of cos(t^3)dt

### Calculus

lim x-->0 ((7-3x^5+x^2sinx)/(5cosx))

### Calculus

Differentiate with respect to x 1/sin x

### Calculus 1

Find the limit. lim x->0 (e^(6/x)+8x)^(x/2)

### calculus

Find lim as (x,y) goes to (0,0) of (e^(-x^2-y^2)-1)/(x^2+y^2).

### calculus

find the inverse of the matrix. [ 16 1 ] 1 16

### Integrals calculus

7/x^2-8 does it give you 7ln(x^2-8)

### calculus

Locate the discontinuities of the function y=(5)/(3+e^(1/x))

### calculus

lim f(x)=? x->3- f(x); -3.7, -3.97, -3.997, -3.9997, ?

### Calculus

Find the slope of x^2-16xy+y^2=1 at (1,1). Is this -1?

### Calculus

Find dy/dx at the point (-3, 1) for the equation x = y^3-9x^2+5.

### Calculus

Find the dot product of: <-1, 7> and <2, ¾>.

### Calculus

find the angle between u=7i+2j and v=-4j

### calculus

if y is a function of x and x=e^t/(e^t+1) show that dy/dt=x(1-x)dy/dx help me plz

### calculus

how do you work out what ||u||2 is when you are given u:<-1,7> and v:<6,4>

### Calculus

Find dz/dy for the following : z=(e^xy)+2ycos(xy-1)

### Calculus

Convert to Polar: y/x = 4 A. r = 2 B. r = 16 C. Θ = 76 D. Undefined

### Calculus

How do I find the limit of x/x as x approaches 0?

### calculus

limx--->0 3sin 3x/4x would it be 9/4

### Calculus

Differentiate each 1. Y= 1/x + 3/x^2 + 2/x^3 2. Y= x^5(1+ x)^5 3. Y= 4-x^2 / 2x+3 Can someone help me I'm lost

### Calculus

M = log(E)-11.4/1.5 How do you express E in terms of M?

### Calculus

What is y=-18x+13 in standard form?

### Calculus

Solve the inequality |5+(2/x)|<1 solution is (-1/2,-1/3).

### calculus

evaluate the integral. from 0 to 4π t^2 sin(2t) dt

### Math - Calculus

Compute the sum: 81 ∑ (2i-1) i=1

### calculus

y=-sin^2 (1/x) find the derivative

### Calculus

Find the anti derivative for 4/(x^2+1)

### Calculus

consider the function f(x) = 9/x^3 -10/x^7 let F(x) be the antiderivatice of f(x) with F(1)=) then F(x)=

### Calculus

reflexive property of ellipse

### Calculus

let f(x)=1x f(x)=1x and g(x)=x2 +5x.g(x)=x2 +5x. find (f⋅g)(x)(f⋅g)(x) Can someone help me with this I dont know how to do this

### precalc

I'm terrible at pre calc, could someone tell me if the solution set for log subscript 2 x + log sub 2 (x-1)=1 is the solution -1? Using either the elimination or substitution method is the solution set for 4x + y =11 and 2x -y = 7 is the answer (3, -1)? Kudos! Yes.

### pre cal

A boat has passed directly over a submarine as pictured below. The sub is running at a depth of 588 ft, and the angle of depression from the boat to the sub is 35 degrees. Find the distance, x, from the boat to the submarine.

### pre algebra

Application of percent Alice earns a monthly salary of $315 plus a commission on her total sales. Last month her total sales were $9640, and she earned a total of $1182.60.What is her commission rate?

### Pre cal

From a point A is 8.20 meters above level ground,the angle of elevation of the top of a building is 31degrees 20 min and the angle of depression of the base of the building is 12degree 50 min. Approximate the heighth of the building

### Pre-Algebra

Suppose you roll two number cubes and pick a letter of the alphabet at random. Find the probability you roll 2 even numbers and pick one of the vowels a, e, i, o, or u. A. 7/104 B. 5/104 C. 1/6 D. 1/104

### Trig/Pre-Calc

A bird is flying 30 mph in a direction 30 degrees south of east. Affecting the flight of the bird is a wind blowing from the northeast to the southwest at a speed of 10 mph. What is the resulting speed of the bird?

### Math Pre Algebra

Find the simple interest. $900 deposited at an interest rate of 3% for 5 years. $1,348 deposited at an interest rate of 2.5% for 18 months.

### Pre-algebra (DESPRATE NEED OF HELP!)

A triangle has side lengths of (x+4), (4x-8), and (2x+8) units. If the perimeter of the triangle is at least 88 units, what is the minimum length of each side of the triangle?

### pre-algebra

jack brought 3 items that cost 25 dollars each, and five items that cost 40 dollars each. what was the total cost, including 5% sales tax?

### Calculus

Hi, I have a calculus question that I just cannot figure out, it is about volume of cross sections. I would very much appreciate it if someone could figure out the answer and show me all the steps. A solid has as its base the region bounded by the curves y = -2x^2 +2 and y = -...

### Calculus

Hi, I have a calculus question that I just cannot figure out, it is about volume of cross sections. I would very much appreciate it if someone could figure out the answer and show me all the steps. A solid has as its base the region bounded by the curves y = -2x^2 +2 and y = -...

### Pre-Algebra

I don't really know how to find what the lenght of the hypotenuse is. - If the length of leg #1 is 5, and the length of leg#2 is 12. What is the hypotenuse?

### pre-calc

prove the identity: (tan theta)/(csc theta) + 1/(sec theta)= sec theta