# Pre- Calculus

21,152 results, page 69

### calculus

lim sinx as x approaches pie/r A) -(2^1/2)/2 B) (2^1/2)/2 C) (2^-1/2)/4 D) DOES NOT EXIST E) -(2^(-1/2))/4

### calculus

find the slope of the tangent at the given point. Y=2x^4 (-1, 2)

### calculus

Given f(x) = 2(x^(5/3)) - 5(x^(2/3)) Find the slope of the tangent at each x-intercept

### Calculus

suppose that f(5)=5 and the limit as x->5 is 4f(x)-20/(x-5)(x+5)=10 find derivative of the function.

### calculus

find an antiderivitive for integral(f looking sing)3/3x+4 dx

### calculus

find the length of the curve;x^2=a^2(1-e^(y/a))measured from(0,0) to(x,y) is a log(a+x/a-x)-x.

### calculus

d/dx of ln(t)/t i believe the answer is 1-ln(t)/(t)^2 but i just want to make sure.

### Calculus

Lef f be the function defined by f(x)=x^3+x. If g(x) is the inverse of f(x), g(x)=f^-1(x) and g(2)=1, what is the value of g'(2)?

### Calculus

Find the derivative of y=cos(squarerootsin(tzn(pi*x)))

### calculus

(6+2y)/(3*sqrt(9-y^2)) = Ae^(kt) How do you show the steps to figure what y equals?

### calculus

(6+2y)/(3*sqrt(9-y^2)) = Ae^(kt) How do you show the steps to figure what y equals?

### Calculus

Find the maximum and minimum values of f(x,y,z)=3x+1y+5z on the sphere x^2+y^2+z^2=1

### Calculus

find second derivative of f(t)=inverse cos(4t)

### Calculus

Find the maximum and minimum values of f(x,y)=3x+y on the ellipse x^2+4y^2=1

### calculus

solve the initial value problems: 1- dq/dz = 2 + sinz, q(0)=5 2-dy/dx = (x^2 -2)x, y(2)=4 3-dy/dx = 4e^5^x + x, y(0)=4 4- dy/dx 3x + 2, y(3)= 2

### calculus

evaluate the intergral using substitution ingergral[(x^2-e^3x)/(x^3-e^3x)^2]dx

### calculus

Consider the infinite series of the form: (+/-)3(+/-)1(+/-)(1/3)(+/-)(1/9)(+/-)(1/27)(+/-)...(+/-)(1/3^n)(+/-)... (A) Find x and y from: x(</=)(+/-)3(+/-)1(+/-)(1/3)(+/-)...(</=)y.

### calculus

sum_(n=-1)^infinity(-1)^(n+1) (1/3)^n = 9/4~~2.25... How do you find that out? Is there a formula?

### Calculus

Show that the vectors (-1,2,3), (4,1,-2) and (-14,-1,16) do not lie on the same plane

### Calculus

Differentiate: y=ln(x/(2x+3))^(1/2) y=(1/2)ln(x/(2x+3)) y'=0+(1/2)((2x+3-2x)/(2x+3)²) What's next after the quotient rule?

### calculus

Find the position function s(t) given acceleration a(t)=3t if v(2)=0 and s(2)=1.

### calculus

Let g(x)= integraton (top 3x, bottom 2) e^t^4 dt. Find the value of g'(0).

### calculus

how do you simplify log5 square root pq over 8

### Calculus

Prove each property using Cartesian vectors: A) (u +v) + w = u + (v + w)

### Calculus

Find the dot product of the pair of vectors; s=4i +j t=-i -j

### calculus

Given vectors u= (t, 2t, 3) and v=(2t, 5t, -1). For what values of t a) are u and v parallel? b) are u and v perpendicular?

### Calculus

Determine the interior angles of triangle ABC for A(5,1), B(4,-7) and C(-1, -8).

### Calculus

Given vectors u= (t, 2t, 3) and v=(2t, 5t, -1). For what values of t a) are u and v parallel? b) are u and v perpendicular?

### calculus

What conditions must be satisfied by vectors u and v for this to be true? |u + v| >|u - v|

### calculus

p(x)=5x^3-4x^2+20-16 use synthetic division to show that x=2i is a zero of p(x)

### calculus

find the indefinite integral: integration of tan^3(7x) dx

### Calculus

Identify the coordinates of any local extrema of the function y=e^x - e^(2x).

### Calculus

Determine the equation of the line perpendicular to Y=1/2 e^(x +1) at its y-intercept.

### Calculus

let f(x)=(7+x)/(7-x), g(x)=7x/(7-x) Find formula for f*g and state the domain of the composition

### Calculus

Find the Limit lim as t approaches 1 of (t^3+5t^2-13t+7)/(t^3-3t+2)

### Calculus

How do I find the normals to the curve xy+ 2x - y = 0 that are parallel to the line 2x + y = 0

### calculus

Find an equation of the tangent to the curve f(x) = 2x^2 - 2x + 1 that has slope 2.

### calculus

Find the derivative of the function. h(x) = (cos x/ 1+sin x)4

### Calculus

Convert the following into spherical coordinates: x^2+y^2+Z^2=36

### Calculus

Convert the following into spherical coordinates: X^2+y^2+Z^2 = 36.

### calculus

Find the parametrization for the left half of the parabola: y = x^2 - 4x + 3.

### calculus

Find a Cartesian equation for r= 3sin deta

### Calculus

Find the area between the x-axis and the graph y = x^2 – x + 1 from x = 0 to x = 3.

### Calculus

Find the slope of the graph y=x^9-2x+(square root of 5-x)^3 @ (1,7)

### Business Calculus/Algebra Review

M-3 M+5 is less than or equal to 0

### Business Calculus

I need help with: r(x)= 4/5x^2 + 8x + 15 What do you do with the 4/5X^2? I know that (x+3) and (x+5) is the factoring for x^2 + 8X + 15 but have no clue what to do with the 4/5.

### Calculus

lim x->1 (x^47-1)/(x^9-1) With what method do I factor them with? Pascal triangle?

### Calculus

How did I solve this? Find the change in y if x changes from 1 to 3. The equation is y=f(x)=2x^2+5

### calculus

The slope of the tangent line to the parabola y=3x^2+6x+5 at the point (-3,14)

### calculus

Given that y=sin x ln (x+1),prove that (d^2 y)/(dx^2 )+y=2cosx/(x+1)-sinx/(x+1)^2

### calculus

Find the Taylors series for f (x)=e2x about 0

### calculus

Find the Taylors series for f (x)=e2x about 0

### CALCULUS

X2 + Y4 = 16 find the slopes of the 2 tangent lines to the curve from (5,1)

### calculus

find the indefinite integral of ln y divided by 6y cube

### calculus

Find the equation of the tangent line to the graph of f(x)=4x^3-1x^2+1 at x=-2.

### calculus

Determine if the function is even, odd or neither. f(x)=x^3-x^2-8x+4

### calculus

Find dy/dx by implicit differentiation. sin x = x (1 + tan y)

### Calculus

Find the derivative by the limit process. 6/√(8x)

### calculus

Find the derivative by the limit process. 6/√(8x)

### calculus

find dx/dy implicitly from √(x+y) = 1 + (x^2)(y^2). then solve for dx/dy explicitly.

### calculus

find dx/dy implicitly from √(x+y) = 1 + (x^2)(y^2). then solve for dx/dy explicitly.

### Calculus

I don't understand how to set up the triple integral for #26. LINK: h t t p : / / g o o . g l / 5 k C L

### calculus

Evaluate the limit lim sin4x/tan9x x-> 0

### calculus

2x*sqrt(3x^2+4) Find all critical numbers:

### calculus

Find all critical numbers: 2x*sqrt(3x^2+4)?

### Calculus

If 3 x2+ 5 x + xy = 3 and y( 3 ) = −13, find y′( 3 ) by implicit differentiation.

### math: calculus

Having a problem with this one... if f(x)=f, then find f(7)

### Calculus B

Find lim as x goes to 0 of (xsinx)/(1-cosx)

### calculus

Lim= x-Infinite x+0/(x2+1)=? please show work

### Calculus

find the absolute extrema if they exist as well as where they occur f(x)= x-1/x^2+3x+5

### calculus

find the points of discontinuity of the given function f(x) =x+3/|x2+3x|

### calculus

find point(s) on the graph of the function f(x) = x^3 - 2 where the slope is 3

### Calculus

find the equation of a tangent line of x^(1/4) + y^(1/4) = 4 at the point (16,16)

### calculus

Q1) find the derivative of cos(e^(x^4sin(x))) Q2) If d/dx (f(4x^5))=7x^2 calculate f'(x)=

### Calculus

What is the x-coordinate of the point on the curve y=e^x that is closest to the orgin?

### calculus

Find the most general antiderivative of the function 1) f(x)= (X^3)^1/4 + (X^4)^1/3 2) f(u)= U^4 + 3ãU / U^2

### calculus

If f(x)=8x +2 find the exact area under the curve from x=0 to x=2.

### calculus

Suppose that log2 = a and log3 = b Solve for x in terms of a and b: 6^x = 10/3 - 6^-x

### Calculus

Find the slope of the tangent line to the curve at (2,1) x/y + x^2y^2 = 6

### calculus

Find the second derivative of the function: y=e^-2t*cos^2(t+(pi/4))

### calculus

how is the lim as x heads towards infinity of 3/(1+(3/x) equal to 3?

### calculus - Integration

evaluate ∫sec^7 x tanx dx

### calculus ap

what is the slope of the line tangent to the curve y^3+x^2y^2-3x^3=9 at the point (1,2)?

### calculus ap

find limit as x goes to infiniti of 8x^4-3x^2+2 over 9x^5+7x^4-3x^2+2

### calculus

derivatives: 3. y= cot^3(2/x) 4. y= csc^5 (1-t+3t^2) 5. y=sec(5x)/tan3x

### Calculus

Graph of f(x) = (x^3 - 5x ^2 + 6x)/(x^2 - x- 2). Can anyone please post a picture of this or something?

### calculus

rotate the axes and eliminate the xy term of 3(x^2)+2xy+3(y^2)-8

### calculus

rotate the axes and eliminate the xy term of 3(x^2)+2xy+3(y^2)-8

### calculus

Estimate for x = 2, 4, 6, using the given values of f'(x) and the fact that f(0)=50 .

### calculus

assume f(x)=-2x+8 and g(x)=5x. What is the value of (f-g)(2)? i got -6 but i don't think that's right...is it?

### Calculus

Let f(x) = x^2 if x ≤ 1 ax + b if x > 1. Find the values of a and b so that f is continuous and has a derivative at x = 1.

### calculus

equation of motion of roller coaster that y=sin(t/2),y=(t-1)(t-2)(t-3)(t-4)(t-5)

### Calculus

the equation represents for a recurrence relation, Mt+1= 0.75Mt+2 with Mo=5

### calculus

For the function f(x) = 18/(3x-14) determine the x-coordinate of any vertical asymptote

### calculus

Find the area bounded by the x-axis ,the curve y= 1/x+2, x=0,y=0, and x=5

### calculus

Consider f(x)=3*2^x find the rate of change between X=1 and X=4

### calculus

Find the derivative of the following functions: x^7+2/(x^1/2) also (x^9-x^1/7)7^x

### calculus

If f(x) is differentiable at x=a where a is not equal to 0, Find lim [[f(x)]^2-[f(a)]^2] / [x^2-a^2] as x approaches a

### Calculus

Find the tangent approximation for sqrt(5+x) near 3