Calculus (Answer Check)
88,703 results, page 96

Trigonometry
How do you simplify: (1/(sin^2xcos^2x))(2/cosxsinx)? I tried factoring and creating a LCD of (sinx+cosx)(sinx cosx) (cosxsinx), but cannot come up with the right answer. The answer is (1+2sinx+2cosx)/sin^2x+cos^2x,but I don't know how the book arrived at that answer. I'd ... 
algebra
1)Identify the yintercept and the axis of symemetry for the graph of f(x)=3x^2+6x+12. answer=12:x=1 2)Determine whether f(x)=5x^210x+6 has a maximum or minimum value and find that value. answer=maximum 1 3)Solve x^2=4x by graphing and indicate the roots. answer=0,4 4)... 
Math
Can you please go step by step, Ill show what I did and you can correct me. The question is: a+a(x+1) My way: a+a(x+1) 2a(x+1) 2ax+2a Could someone please check over this and provide a correct answer and my error. Thanks in advance. a+a(x+1) does not equal 2a(x+1) If it was (a... 
derivatives
Applications of derivatives A rectangle has its base on the x axis and its upper two vertices on the parabola y=12  x^2. What is the largest area the rectangle can have, and what are its dimensions. Support your answer graphically. Thanks. Well, the parabola is symettric ... 
English
Please check my last post as well. I typed a reply. Moreover if I were to come up with an Original and creative essay title. What should it be. For the topic Banning Cellphones while driving. 1. Who is to blame? 2. Blame the cellphone 3. I just wanted to text a friend 4. My ... 
Calculus
Factor the following: y = (xa)^5 . (xc)^5 . (ac)^5 It looks already factored to me 
Calculus
If f(x) is a continuous function, find the constants a and b such that f(x) = { x 3 <= x <= 2 ax^2 + b 2<x<0 b x=0 
Calculus
q=(1000/p+1)^2  1 find q' I will be happy to critique your thinking. 
calculus
integrate ((x^3/6)+(1/(2x)))*squareroot of 1+(x^4/4)+(1/4x^2)1/2..plz help me...tnx in advance! 
calculus
does anyone know the shortcut to finding the derivative of a function for example: x^33x^2 
pre calculus
how do you tell if a function is even or odd? 
Calculus
Find an equation for the tangent and normal to the curve x^2 + y^2 = 9 at x=1 
Calculus Test Question!!!!!
Find the derivative if y=x^1+sqrt2 
calculus
how do I find the range of a natural log like ln  x/(1+x^2)  
calculus
f(x)=(y+a)and b=the limit as y aproches 2+f=1000. I need to know what y and a equal. 
CALCULUS 1
Find dL/dx set to zero. Solve for x. (27+x)/x * sqrt(64+x^2) 
Calculus
Find the average value of f(t)=2te^(t^2) on the interval [0,3] 
Calculus
Is thsi a solution of an ordered pair (4, 1) 4x = 17  y 2x = 12 4y I say yes ? Is this how you do it. 4(4) = 17  1 = 2(4) = 12  4(1) 
calculus
calculate the indefinite integral (cosx)/(sin^3x) 
calculus
Find the sum of the series: 10 + 14 + 18 + 22 +...+138 and 612+2448+96...+1536 
calculus
integrate (x+2)/((x^2+2x+4)^2) the usual partial fractions don't work??? 
Calculus
two complex numbers Z and W are related by the formula W=(Z+1)/(1Z) what is W if Z=1.5i? thanks for the help! 
calculus
how to you use partial fractions to compute the integral of ax/((x^2)bx)dx? 
calculus
does the series from n=1 to infinity of 1/arctan(2n) converge? I said yes but I didn't know what to 
Calculus
Can someone please tell me how to derive V=4/3pi(r)^3 to get x^2+y^2=r^2? 
PreCalculus
how do u state the period of a function? for ex. f(x)=sin((1/2)x) 
calculus
solve the following differential equation: y' + (y)tanh(x)  2e^x = 0 
Calculus
Find the point where the tangent to the curve is horizontal. f(x) = (x^22x+4)/(x^2+4) 
Calculus
Find the equation of the tangent to the curve y=e^x at the point where x=1. 
Calculus
What is the derivative of y = ln 3x2? a) y' = 2/x b) y' = ln 6x c) y' = 2 ln3 d) y' = e6x I think it's d.) Thanks. 
PreCalculus
What is the Domain and Range of the function: Y=sin2x+4? 
Calculus
Find the derivative of Integral from 5 to sin(x) of cos(t^3)+t 
calculus
What is the domain for y=sqrt((x)/(x1))? Can anyone please teach me how to do it? THANKS A LOT! 
calculus
find the xvalues at which f is not continuous. which of the discontinuities are removable? f(x)=1/(x^2+1) 
precalculus
Determine whether y is a function of x: x^2yx^2+4y=0 Please help. Thanks. 
PreCalculus
Directions: Find the 2 Functions f and g such that (f o g)(x)= h(x). 1. h(x)=(2x+1)^2 
calculus
If we know that for a function, f(x), that f(2) = 6 and f(5) = 1, what is the average rate of change of f(x) on the interval [2,5]? 
calculus
Evaluate the following limit: lim x > 2 sqrt(x^2  x)/(2x  3) 
calculus
find all x,y intercepts of x+6/x3 show work 
calculus
find all intercepts x^24/x1 show work 
12th AP Calculus
use implicit differentiation to find dy/dx and then d^2y/dx^2 x^2/3 + y^2/3 = 1 
calculus HS
Analtical method to evaluate Lim X > infinite 
calculus
are the deritives of sin and cos functions inverses 
Calculus
Find the maximum and minimum values of f(x,y,z)=x+4y+5z on the sphere x^2+y^2+z^2=1. 
Calculus
Limit as x goes to negative infinity of sqrt(x^2+3x)+x? 
calculus
f(x)=x^3/(x^21) find the regions of concavity and inflection points 
calculus
Use the Midpoint Rule to approximate the integral (5x9x^2)dx from 6 to 15 
Calculus
Solve for the function y. dy/dx = xe^y, when y(1)=0 I got as far as: e^y dy = x dx But then how do you continue from there? 
Calculus
Find the area between the two curves f(x)= ln(x+1)+2 g(x)= x^28x+12 
CALCULUS
AN EQUATION OF THE LINE NORMAL TO THE GRAPH OF Y= SQRT[3X^2 + 2X] AT (2, 4) IS?? 
Calculus
I rewrote the quesion y = sqrt (4 + sin 10x) 
calculus
identify and explain all the kinds of discontinuity for y = (x + 4)/(x^2  16) 
calculus
Can someone help me with the problem? f(x)={ln 2x, 0<x<2 {2lnx, x >or= 2 The limit lim x> 2 f(x) is? 
Calculus
Find the horizontal asymptote for the function: 3x^42x^3+7x/x^4/14x2 
Calculus
Find all the points of inflection of the function: f(x)=x^33x^2x+7 
calculus
solve what is the limit x>(pi/4) (1tanx)/(sinxcosx) 
calculus help
find the integral of square root of 1+x^3 dx or sqrt(1+ x^3)dx 
calculus
find the integral of square root of 1+x^3 dx or sqrt(1+ x^3)dx 
calculus
v(r)= k(ar)r^2 where k is a constant evaluate v at a. This is what I got when I solved but it is not correct. v(a)=k(aa)a^2 v(a)=ka^2 
Calculus
the length of the curve of intersection of the cylinder (4x^2) + y^2 = 4 and the plane x + y + z = 2 
Calculus
Find the equation of the tangent line to the curve 2e^(xy) = x + y at (0,2) 
Calculus
If the equation of the tangent line to the curve: xy^3+xy=6, (3,1) find m and b 
Calculus
Consider the function f(x)=x^4 + 8sqrtx Let F(x) be the antiderivative of f(x) with F(1)=4. Then F(x)=_____ 
Calculus (1st Year)
Solve the integral: S (e^cosx)(x^2)dx 
Calculus
find the equation of the tangent line to the curve when x=7. f(x)= 6x^2 
Calculus
find the equation of the tangent line to the curve when x=7. f(x)= 6x^2 
Differential calculus
Given that x=sinht and y=cosht. find: dx/dy 
Differential calculus
Given that f(x)=x, g(x)=x1: h(x)=sqrtx1. find f0g0h. 
Differential calculus
Given that f(x)=x, g(x)=x1: h(x)=sqrt(x1) find f0g0h. 
Calculus
Infinite series question. an=2+(0.99)^n Converge or Diverge? 
calculus
x arc cos square root of4x+1 
Calculus
[Implicit Differentiation] (5xy)^4 + 2y^3 = 258 evaluate y' at the point (1,1) 
Calculus
Suppose f and g are functions that are differentiable at x=1 and that f(1)= 2, f'(1)= 1, g(1)= 2, and g'(1)= 3. Find the value of h'(1). h(x)= [x f(x)] / [ x + g(x) ] 
calculus
what is the limit of (1tanx)/(sinxcosx) as x approaches pi/4? 
Calculus
Find the limit. lim (x+2)/(radical(9x^2+1)) x>infinity 
Calculus
Find the derivative of 1/8tan^(1)(x/8) & (x/2)(sqrt(64x^2) + 32sin^(1)(x/8)? 
Calculus
Differentiate the following function. f (x) = 7 sin(x) + 1/6 cot(x) 
calculus
find the limit as x reaches infinite with the equation x^25/2x+1 
calculus
how would i find the deriviative of y= x^ ( square root of 2) 
calculus
write the product in standard form (14i)(32i) (squareroot4+i)(65i) 
Calculus
Sketch the graph of a function that is continuous at x=5 but not differentiable at x=5. 
calculus
Find the derivative. Could you please show me the steps? y = ãx(5ãx) 
PRE CALCULUS
find the range of the following functions g(x) =x/x2 
Calculus
Evaluate the indefinite integral: x^2 / (34x^3)^6 I got 1/(60(4x^33))^5 but it's not right. 
calculus
Find the indefinite integral. ∫x√(2x+1)dx 
calculus
if f is a continuous function defined by f(x)={x^2+bx, 5 sin("pie"/2x) then b= ? 
Calculus
Evaluate the indefinite integral. (5dx)/(xln(2x)) 
Math Calculus
lim 108(x^2+2x)(x+1)^3 x> 1 __________________ (divide) (x^3+1)^3 (x1) 
calculus
evaluate each limit, if it exists Lim as x approaches 2 (x^4  16) / (x+2) 
calculus
y=¡î(9x©÷) find the xaxis using the disk method? 
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 xintercept 
Pre Calculus
complete the identity: sin^4 xcos^4 x 
Calculus
suppose that f(5)=5 and the limit as x>5 is 4f(x)20/(x5)(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(1e^(y/a))measured from(0,0) to(x,y) is a log(a+x/ax)x. 
Pre calculus
Find the inverse function of F(x) = 2 arccosx F1(x)= 
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)))