Pre- Calculus

21,321 results, page 83

calculus

Find all positive values of x that satisfy x multiplied by the x root of x^2 = x^x

Calculus

Show that the limit for [x^2cos(1/x)]=0 as x approaches 0. How would I solve this algebraically?

Hard Calculus

f(x)= xsquared -2x for y= absolute value of f(x) does the derivitive exist at x=0 and explain why.

calculus

if the tangent line to the function f(x)=ãx +a at x=16 has equation y=mx+6. find a and m. you may use the fact that f'(x)= 1/(2ãx)

calculus

consider the function f(x)=2x^2 +1. its tangent line at x=2 goes through the points (2,y1) and (-1,y2) where y1=?, y2=?

calculus

consider the function f(x)=2x^2 +1. its tangent line at x=2 goes through the points (2,y1) and (-1,y2) where y1=?, y2=?

calculus

find the derivative of the function (6x+1)/(19x+1)^1/2 PLEASE EXPLAIN IM LOST

calculus

Find the equations for the lines tangent to the ellipse 4x^2+y^2=72 that are perpendicular to the line x+2y+3=0

Calculus....

can you show me how to maniplate this using Trig subtitution... integral dx/4+x^2 x is bounded on [-2, 2]

Calculus

Find the equation of the tangent line to the curve (a lemniscate) 2(x^2+y^2)^2 = 25(x^2-y^2) at the point ( -3 , -1 )

calculus

If f(1) > 0 and f(3) < 0, then there exists a number c between 1 and 3 such that f(c) = 0. Is this true or false? Please and thank you

CALCULUS

Find the relative extrema of function. f(x,y)=x2+3xy+y2-10x-20y+12

calculus

If a store credit account charges 1.2% interest each month, what is the APR?

Calculus Help

Determine the point at which the graph of the function has a horizontal tangent line. f(x) = (9x^2)/(x^2+6)

Ap calculus

Find the equation of the tangent line to the curve g(X)= 2cos(2X)/(3X) at the point x= pi/3

calculus

find the absolute maximum and minimum values of f on the given interval f(x)= (x^2-4)/(x^2+4), [-4, 4]

Calculus

How do you find the area under the witch of agnesi? (for all radii)

calculus

find a non-zero value for the constant "k" so that f(x) =tan(kx)/x, if x < 0 3x + 2k^2, if x> 0 will be continuous at x=0

Calculus

Find the minimum distance, measured horizontally, between the graphs of y=x and y=x^3

Calculus

Use a linear approximation (or differentials) to estimate the given number. (32.06)^4/5

Calculus

Find all values of x, where the graph of y = [(5x^3)-(6x)+(8)] / (x^2) crosses its oblique asymptote.

Calculus

Find all values of x, where the graph of y = [(5x^3)-(6x)+(8)] / (x^2) crosses its oblique asymptote.

Calculus

what is Trapezoidal rule? How does it work in finding the area under the curve(s)?

Calculus

What are the x-coordinates of the points of inflection for the graph of f(x)sin^2x on the closed interval [0,pi]?

calculus

Find the area of the region under the graph of the function f on the interval [-1, 2]. f(x) = 6x + 1

AP Calculus

True or False If f'(c)=0=f''(c)is less than 0, the f(c) is a local maximum. Justify your answer.

calculus

find deriviative using definition lim x heads toward a of f(x)-f(a)/ (x-a) of x^5

Calculus AB

Find the equation of the line tangent to the curve at t=pi/3: a) x=t-sin(t) b) y=1-cos(t)

AP Calculus

A line is perpendicular to 2x+y-7=0 and passes through (4,6). Find the y coordinate of the point where x=-8

calculus

How many critical points are in the function: f(x)= (x+2)^5 * (x-3)^4 What is the most time-efficient way to do this?

calculus

A bug walks along the circle x^2 + y^2 = 4. When it is at the point (1, (3)^1/2)), dx/dt = 2. Find dy/dt at this instant.

calculus

A bug walks along the circle x^2 + y^2 = 4. When it is at the point (1, (3)^1/2)), dx/dt = 2. Find dy/dt at this instant.

Calculus

What is the slope-intercept equation of the line tangent to the graph of y=8ln(x) when x=5.

Calculus

Use a graph to estimate: Lim x-> 0 of sin(8x)/x when x is measured in degrees.

Calculus

Find the exact area below the curve (1-x)*x^9 and above the x axis

Please help! (Calculus)

Solve initial value problem explicitly: 1. y'= ye^-x, y(0)=1 2. y'= 5xe^-y, y(1)=1

Calculus

let f(x)=x*e^x For what value of x is the slope of the line tangent to the graph of function f at [x,f(x)] equal to 1/2?

calculus

Find the exact area of the region bounded by the -axis and the graph of (x^3)-x

AP Calculus

Determine whether Rolle's Theorem is valid f(x) = 3 - |x - 2| for [-1, 5] if so, find c. if not, tell why.

Calculus

Mt+1= 0.75Mt+2 give the solutions of the dynamical system with Mo=5 i.e determine Mt as a function of t

Calculus

On what intervals is the function f(x)=x7−7x6 both decreasing and concave up?

Calculus

Given a power function of the form f(x)=axn, with f(3)=20 and f(9)=1620, find n and a

Calculus

Find the derivative of the function f by using the rules of differentiation. f(x) = 360

Calculus

find the volume of the solid formed by rotating the region enclosed by y=e^(1x+4), y=0, x=0, x=0.9

Calculus Please Help

Let f(x)=4−x^2. Find each of the following: (f(2+h)- f(2))/h = ________ lim h->0 (f(2+h)- f(2))/h = ______

Calculus

Use the Product Rule to find the derivative of the function. f(x) = (x^3 − 2x)(5x^2 + 2x)

calculus

Find the derivate of the function f(x) = 2x2 + 23x + 5 What is the value of this derivative when x = 19

calculus

Find the derivate of the function f(x) = 2x2 + 23x + 5 What is the value of this derivative when x = 19

Calculus - Verify?

Find the slope of the tangent line to the curve (a lemniscate) 2(x^2+y^2)^2 = 25(x^2-y^2) it is at pt (3,1)

calculus

how do you solve the folowing question giving respect to the given variable x 2(3 x + a)-b(2-x)=3(x+1)

calculus

f(x)=12x/sinx+cosx find f'(-pie) anyone know the answer!!! need help!

Calculus

Find the area in the second quadrant bounded by the x-axis and f(x)=sqrt((x^3/8)+1)

calculus

find the area of each circle. use 22 over 7 for pie. and radis for 15 in.

calculus

find equation of the tangent line to the graph of f(x) at the given point f(x)=(x-1)(2x+3)/(x-5) at 9, 42

calculus

How do I find the x values at which the tangents to the graphs f(x)=2x^2 and g(x)=x^3 have the same slope?

calculus

Under what conditions for f'(x) and f''(X) can a graph be " straight" wthout being horizontal?

Calculus

Find constants a and b in the equation f(x)= ax^b/(ln(x)) such that f(1/8)= 1 and the function has a local minimum at x= 1/8

calculus

solve the initial value problem by seperation of variables du/dt=2t+sec2t/2u, u(0)=-5

calculus

solve the initial value problem by seperation of variables du/dt=2t+sec2t/2u, u(0)=-5

Calculus (pleas help!)

For what values of k is lim x -> INF coshkx/sin2x finite?

calculus

how do you solve the initial value problem by using separation of variables dy/dx=1/y^2, y(0)=4

calculus

how do you solve the initial value problem by using separation of variables dy/dx=-xy^2 when y(1)=-0.25

Calculus

Fill in the following table, where E(x) denotes the error in approximation of f(x) by T(x). x - 2 x 3 2.1 2.01, 2.001 f(x) T(x) E(x)

calculus

how do you set up the volume of the region bounded by y=x and y=x^2 rotated about the line y=3.

Calculus

find the volume of the region bounded by y=e^x, y=0, x=-1, x=1 rotated about the x axis

calculus

If f(2)=-3, g(x)=f^-1(x), what is the equation of the tangent line to g(x) at x=-3? I don't know how to find g(x), if you can help me with that, then I think I can do the rest of the problem

Math calculus-Trig

Find the area bounded by the curve and the lines y = -x^2 - 4x; y = 1; x = -3; x = 1

calculus

Please help find the solution to the initial value problem dy/dx=(1+2cos^2 x)/y with(y>0), and y=1 when x=0. Thanks.

calculus

Choose the correct quantity to fill in the blank: Integral_______ dx = (ax2 - a2)4 + C.

calculus

Choose the correct quantity to fill in the blank: Integral_______ dx = (ax2 - a2)4 + C.

calculus

Find the general indefinite integral ∫cosxsin^4xdx

calculus

Find the area of the region bounded by the graphs of the algebraic functions: f(y)=y^2+12 g(y)=0 y=-12 y=13

Calculus

Find the area of the largest rectangle that can be inscribed in a semicircle or radius r.

Calculus

lim sin2x x->0 ----- x How do I get rid of the x on the bottom in order to solve this problem? Thanks!

calculus

how do I find the derivative of f(x)= 4/ square root of x ? using the limit process?

Calculus ll

Find the partial derivative of the function with respect to each of the independent variables.f(x,y)=xe^2y

Class 12th Calculus

If y = e^x cosx, prove that dy/dx sqrt(2) e^x . cos(x+ pie/4)

calculus

Find the angle ABC, if A = (4, –3, –1), B = (0, 0, 0) and C = (–2, –3, 5) Could you lead me in the right direction I don't know where to start

calculus

2x^3+3x^2-12x-7 the absolute maximum. I need help because it seems no one else in my class knows how to.

CALCULUS

USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪx^5 Lnx dx

calculus

USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪãx lnx dx

calculus

Solve the equation 2x^3 + 3x^2 - 6x - 4 = 0, giving the result to four decimal places

Calculus

Express the quadratic function y=-2/3x2-12x-11 in standard form?

calculus

Using L'Hôpital's rule, evaluate lim of xe^(-x) as x approaches infinity

Calculus:)

Find the area of the region enclosed by y−2x^2≥0 and |x|+|y| ≤ 1

Calculus:)

Find the area of the region enclosed by y−2x^2≥0 and |x|+|y| ≤ 1

Calculus

Find the area of the region enclosed by y−2x^2 ≥ 0 and |x|+|y| ≤ 1

calculus

find the highest or Lowest point on the surface z=3x^4+4x^3+6y^4-16y^3+12y^2

calculus

Whats the slope of the tangent to the curve y=7/(square root of x) at the point where x=a>0?

calculus

Whats the slope of the tangent to the curve y=7/(square root of x) at the point where x=a>0?

calculus

Find the derivative of the function. 1. 2x+5/3x-2 2. (1-x)(1+x^2)^-1 Please show work. TYVM. :)

Calculus

Find the average value of function f(t)= 4sec(t)tan(t), interval [0,pi/4]

Calculus

differentiate: y=sin^2(x)- cos^2(x) I have this: y'= 2cosx + 2sinx What do i do next??

Math/Calculus

Find the average rate of change on the interval [-6,3] of the function h(x)=x^2-4x+7. A. -7 B. 7 C. 1 D. 13 E. -5

calculus

x squared minus four, at which intervals is the function increasing or decreasing?

Calculus

Evaluate the indefinite integral of InT(-x^3+9x^2-3x+2)/(x^4-2x^3) I got ((1-2x)/(2x^2))+3*ln(2-x)-4*ln(x) but apparently that's not the answer...

Calculus

Evaluate the indefinite integral of InT(-x^3+9x^2-3x+2)/(x^4-2x^3) I got ((1-2x)/(2x^2))+3*ln(2-x)-4*ln(x)+c but apparently that's not the answer... and I don't know why.

Calculus

Evaluate the indefinite integral of InT(-x^3+9x^2-3x+2)/(x^4-2x^3) I got ((1-2x)/(2x^2))+3*ln(2-x)-4*ln(x)+c but apparently that's not the answer... and I don't know why.

calculus

Assume that x and y are differentiable functions of t. Find dy/dt using the given values. xy=x+4 for x=4, dx/dt=-5 a. 0.20 b. 3.75 c. 1.25 d. 5.00 e. -0.25

Calculus

What is the average rate of change I would like to know how does the formula f(2.1)-f(2)= 12.3 how did they get that answers

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