Pre Calculus
21,815 results, page 68

Calculus
True or False If f is continuous at x = c, then f is differentiable at x = c. 
Calculus
Use the table below to evaluate d/dx [f[g(2x)]] at x = 1 x 1 2 3 4 f(x) 6 1 8 2 f '(x) 6 1 8 2 g(x) 1 4 4 3 g '(x) 9 5 5 4 
Calculus
Find max or min: y = x * cosx 
Calculus
Find the area bounded by the yaxis and x = 4y^2/3 
Calculus
Find the area bounded by the yaxis and x = 4y^2/3 Thanks! 
Calculus
(2x + sin x)/x What is the limit as x approaches zero? 
Calculus 1
Find an expression for a cubic function f if f(1)=8 and f(1)=f(0)=f(2)=0 
Calculus
(3x x2) / x2 What is the limit as x approaches 2 from the left side? 
Calculus 1
simplify the expression. cos(2 tan^1 x) 
integral calculus
integrate. (1):sin2xcos3x (2):5(cos3x)^2 
Calculus
Differentiate y=[(8xx^6)/(x^3)]^(4/5) My answer: [4x^3(16+3x^5)]/5 • fifth root of [(8xx^6)/(x^3)] ^9 
calculus
Find the exact length of the curve. x=(y^4)/8+1/(4y^2), 1 ≤ y ≤ 2. 
Calculus 1
Find the horizontal and vertical asymptotes of (3x^248)/(x^23x+10) 
Calculus
limit (x^2+y^2)/(x+y)^2 as (x,y)>(0,0) I don't know how to prove it doesn't exist. Please help! 
math,(integral calculus)
Integrate with respect to x:4x^2.dx 
HELP HELP CALCULUS
y=e^(5e^x) differentiate first and second derivative 
Calculus i need help
Find dy/dx if x^2.y+sin(xy)+y^4.x^2+3xy=5??? 
Integral Calculus
Initial Value Problem dy/dx = y^2 5y+6 y(0)=1 
Calculus
What is the shortest distance from the surface xy+6x+z^2=33 to the origin? 
Calculus 1
find the critical numbers of the function F(x)=x^(4/5)(x1)^2 
Calculus
Integral sign 8x/(x1) dx Is it 8x+8ln abs (x1)+C ? 
calculus
find the area of the region: y=4 y=2sqrt(x) y=3x 
Calculus need help
Dy/dx=x+x^3/y plz show your work 
Reposting calculus help plz
Dy/dx=(X+x^3)/y help show working 
Another Calculus help plz
Show that if y=tanx/2 dy/dx=1/sinx 
Calculus help!!!
X^2y+sinxy=e^xy i need solution plz 
Calculus
Suppose that f(t)=Qoa^1=Qo(1+r)^t with f(4)=72.2 and f(10)=176.7. Find what a is and what r is. 
Calculus
Suppose that f(5) = 3, f '(5) = 4, g(5) = −6, and g'(5) = 1. Find the following values. (a) (fg)'(5) (b) (f/g)'(5) (c) (g/f)'(5) 
Calculus
Reverse the order of the double integral (y+1) dx dy, where 1<= y <= 4 and y  4 <= x <= 4yy^2 
calculus
Find the maximum value of the function f(x)=(x^2+9x3) / x^2 
Calculus
find the point on the plane 5x+4y+z=12 that is nearest to (2,0,1) 
calculus
Evaluate π ∫ tan² x/3 dx 0 
calculus help
integrate:dx/(3x^35)^3 help plz show step 
calculus
evaluate the definite integr 2 ∫ 5/(3+2x) dx 0 
calculus
evaluate the definite integr 2 ∫ (x+1/x)² dx 1 
calculus
Find the limit lim x >0 (sin^2 2x)/(x^2) 
Calculus
For the curve given by 4x^2 +y^2 = 48 + 2xy show that dy/dx =y4x/yx 
Calculus
given d/dx[f(2x)]=f'(x) and f'(1)=1 find f'(2) the choices are 1/4, 1/2, 3/4, 3/2, or 5/2 if it helpes 
Calculus
Which of the following grows faster than e^x as x> infinity x^4 ln(x) e^x 3^x .5e^x 
CALCULUS
State the intercepts, domain and range for y= 0.5x^22. 
Calculus AB
What is an algebraic expression for cot(arccos ((x+1)/2)? 
Calculus AB
If r and s are roots of the pokynomial equation x^2 + bx + c, show that b=(r+s) and c=rs 
calculus
Find the Maclaurin series of xcos(x^2). 
Calculus
Find arccos (sqrt2/2). Can this be pi/4 and 7pi/4? 
calculus help me
help find dy/dx if y=cot(x+y) working plz 
Calculus
Determine the equation of the tangent to f(x)= (1/x)+x at the point (1,2) 
Differential calculus
Differentiate the following y=root(e^x)/x 
Calculus
Given the vectors u = <−3,7> and v = <5,1>, find ½ u. A. <1,4> B. <4,1> C. <3/2,7/2> D. <3/2,7/2> 
Calculus
Given the vectors u = <−3, 7> and v = <5,1>, find 3u + 2v. 
Calculus
Given: u <1, 7> and v <4, 3> What is the measure of the angle between them? 
Calculus
How many critical points does the function f(x) = e^x  x^3 have? 
Calculus
Let F(x)=f(x^4) and G(x)=(f(x))^4. You also know that a^3=15, f(a)=2, f′(a)=4, f′(a^4)=12. Find F′(a) and G′(a). I don't even know where to begin. 
Differential calculus
Sketch the graph of the curve y=(x2)(x+1)(x+3) 
Calculus
Find dz/dy for the following : xln(12y) = zsin((x^2)z)3y+z 
Calculus
Determine the relative extremum for the function , f(x,y)=((x^2)+(y^2))(e^x) 
Calculus
Given: r = 4/(26sinθ) What is the eccentricity of the function? A. 2 B. 2 C. 3 D. 3 
Calculus 1
In the problem, x and y are differentiable functions of t. Find dx/dt when x = 3, y = 4, and dy/dt= 2. x^2 + y2^2= 25 
Calculus 1
In the problem, x and y are differentiable functions of t. Find dx/dt when x = 3, y = 4, and dy/dt= 2. x^2 + y2^2= 25 
Calculus 1
In the problem, x and y are differentiable functions of t. Find dx/dt when x = 3, y = 4, and dy/dt= 2. x^2 + y2^2= 25 
Calculus
For what value of k will x+k/x have a relative max at x=2 
Calculus
If u,v, and w are nonzero differentiable functions, then the derivative of uv/w is what? 
calculus
Find the local linear approximation of f(x) = e^(3x) at x = 1. y = e^3 y = e^(3(x − 1)) y = 3e^(3)(x − 1) y = 3e^(3)x − 2e^3 
Calculus
Find the second difference for the sequence. 7, 6, 7, 10, 15, 22, …. A.1 B.2 C.3 D.5 
Calculus
Find a quadratic model for the sequence. 4, 4, 3, 1, 2 A.y = 0.5x^2  0.5x  4 B.y = 0.5x^2  1.5x  3 C.y = 4.5x^2  21.5x+21 D.y = 4.5x^2 + 21.4x  21 
calculus!
use the definition of derivative to find d/dx(1/(3x)) 
calculus
solve for dy/dx=(x^2+y^2)/xy by substitution. Plz help step 
calculus
(2y1)dy/dx=(3x^2+1) given that x=1 when y=2 plz show step thanks 
Calculus Please Help
evaluate the table and find d/dx [g[f(2x)]] at x=1 f(x) 6,1,6,2 f'(x) 1,2,5,7 g(x) 1,4,4,3 g'(x) 4,5,5,4 
Calculus
y = 2 cos(5πx) .... whats the period? 
Calculus
Compute F'(4) where F(x) = x^3 + X^2 (using the definition of the derivative) 
calculus
limx>3 5/x3 I think it is inf but I don't know how to prove it 
Calculus
Find the derivative of the integral from x to 6 of ln(1 + t^2). My answer is ln(1+x^2). 
Calculus
Solve the initial value problem. 7x^63x^2+5 and u = 1 when x = 1. Is this x^7  x^3 + 5x  4? 
calculus
Find the centroid (¯ x, ¯ y) of the region bounded by: y = 6x^2+7x, y = 0, x = 0, and x = 7 
Calculus (related rates)
Find dy/dt when y = 2x2 + 2x + 4 and dx/dt = 14 when x = 7. 
Calculus (related rates)
Find dy/dt where y = 2 sqrt(x)4 and dx/dt = 9 when x = 4. 
calculus
Evaluate the integral. from 0 to π/2 sin^3(θ)cos^5(θ) dθ 
Calculus
If y′= x(1+ y) and y > 1 , then y = The differential equation dy/dx=y/x^2 has a solution given by: 
Calculus
If y′= x(1+ y) and y > 1 , then y = The differential equation dy/dx=y/x^2 has a solution given by: 
Calculus
Consider the function f(x)= x^3+5 sqrt(x) Let F(x) be the antiderrivative of f(x) with F(10=9 
Calculus
Determine the remainder for Sn where n=5 or n=9 for the following series. ∑n=1 to ∞ (n^2+1)/(n^4) S5= R5= S9= R9= 
Calculus
At what point is the function y=csc(2x) continuous? 
calculus
Find the interval, I, of convergence of the series n=0 [((1)^n)(x5)^n]/(3n+1) 
Calculus
How do we integrate [(cosx)^2(nx)(sin(nx))]/[a(cos(nx))] dx? 
calculus
Find the derivatives of the following function: i)y=3x^3 +2x^2 + x2 
Calculus
Find the limit lim tan^2(7x)/9x x> 0 
Calculus
Find dy/dx for y=3tan^1(x/2). I know the answer is 6/x^2+4 but I'm stuck at y'=3(1/1+(x/2)^2)(1/2) 
Math/calculus
Graph f (x) = 3cos (4pix pi/2) 2 
Calculus help
Lim(x>inf)=2000x^4/200x^4= 10 
Calculus  Identity crisis
A function has f''(x) = 10 and has f'(4) = 0 and f(2) = 4. Find f(x). 
Calculus
what is average value of cos(x) on the interval [3,5]? 
AP Calculus AB
Hi. Please help me with the following question: lim x>1 (x)/(ln(x)) 
Calculus
What is the area of the inner loop of r = 3+6sinΘ? 
Calculus
Suppose y = sqrt(2x + 1), where x and y are functions of t. (a) If dx/dt = 15, find dy/dt when x = 4. dy/dt = ? 
Pre Calc
From 2 points 400 yards apart on the bank of a straight river flowing due south, the bearings of a point on the opposite bank are 148 degrees and 28 degrees. How wide is the river? I am having a hard time understanding how this is set up. Help please? 
Prealgebra
I have some practice problems, and I need to have them worked out, showing your work. I will gain a better understanding of these problems by practicing them. Thank you. (6x+1)(x^29x+5) (2x^4+3)(4x^3+2) (12y^3+8y^2+20y)divided 2y (6x^225x10) divided by (3x+2) (8x5)+(7x+4... 
Prealgebra
I have some practice problems, and I need to have them worked out, showing your work. I will gain a better understanding of these problems by practicing them. Thank you. (6x+1)(x^29x+5) (2x^4+3)(4x^3+2) (12y^3+8y^2+20y)divided 2y (6x^225x10) divided by (3x+2) (8x5)+(7x+4... 
pre calc
The following polynomial approximates the rabbit population in a particular area.? R(x)= 0.121x^5+2.952x^4+3500, where x is the number of years frm 1975. use a graphing calculator to describe the rabbit population from the rears 1975 to 1990. how do you get started with this ... 
Pre Algebra
I have a rectangle that represents one whole. There are three sections that equal 1/3 each. I want to subdivide those sections into even & uneven squares. EX: 1/3 divided by 2 = 1/6 I am having trouble identifying the uneven squares. Could you please show me a few examples ... 
Math Pre Algebra
Linda reserved two hotel rooms for $75 each room plus a tax of $7.50. Illustrate the Distributive Property by writing two ways to compute the total. What is the total. So I need to get help on this answer stat. This is due tomorrow and I need done. Please and Thank you!!