Pre Calculus
21,824 results, page 82

calculus
Find the equation of the curve for which y'=3x² and which passes through (1,1). 
Calculus 1
Find the exact value of each expression. (a) cot^1(sqrt(3)) 
Calculus
Find the equation of the tangent line to f(x)=sec x  2 cos x at (pi/3, 1). 
calculus
Find the area bounded by the curve y=1/2+2, the xaxis, and the lines x=1 and x=4. a.7 1/2 b.10 2/3 c.16 d.28 1/2 
calculus
hey guys, quick question (8 + sqrt 20)/6 what does this equal 
Calculus
How can I show that the function F (x)= the integral from 2x to 5x of 1/ t dt is constant on the interval (0, +∞). 
Calculus
Maclaurian' series example "f(x)=tanx" give me answer 
Calculus 1
Find the equation of the tangent line to the curve y = (9 ln x)/x at the points (1, 0) and (e, 9/e). 
Calculus 1
Find the linear approximation of the function g(x)=cube root(1+x) at a=0. 
Calculus
Find constants a and b in the function ax^b/ln(x) such that f(1/5)=1 and there is a local min at x=1/5 
Calculus
Evaluate the integral. (Remember to use ln(u) where appropriate.) cot^3(3x) dx 
Calculus
Find the area of the unbounded shaded region. Y= 7/ SQRT 7X 
Calculus
Find the area of the unbounded shaded region. Y= 7/ SQRT (7X) 
Calculus
Evaluate using long division. The integral of x/6x5 dx How do I divide this? 
Calculus 1
Find the local maximum and minimum for the function f(x)=2x^33x^2120x+10 
Calculus
Evaluate using long division. The integral of x/6x5 dx How do I divide this? 
Integral Calculus
Integrate (tan^1 X)/(1+x²) dx please help, I don't know how to start this one 
Integral Calculus
Integrate (tan^1 X)/(1+x²) dx please help, I don't know how to start this one 
Mulitvariable Calculus
How to proof tangential and normal components of a vector Thank you 
Calculus
Solve the following problem by separation of variables. T^2y't=ty+y+1 Y(1)=0 Y is a function of t. 
Calculus
What is the first derivative of the following function: f(x) = a^(bx)? (I am lost with this question) 
Calculus
Find the volume bounded above by parabolic z = 6  x^2  y^2 and below by z= 2x^2 + y^2 
calculus
25pi/3=1/2xsquare root of 100x^2 and plus 50 arcsin(x/10) 
Calculus
Find the specific solution of the differential equation dy/dx= 4y/x^2 with condition y(4) = e. 
Calculus
Find the yintercept of the tangent line to y= 0.2/sqrt(6+5x) at(2.5,0.04990597277) Thanks 
Calculus
The particular solution of the differential equation dy/dt=2*y for which y(0) = 60 is y = 60e2t y = 60 e0.5t y = 59 + et y = 30et 
Calculus
Given that the antiderivative of f(x) = e4x is F(x) = 1/4e^4x+C, evaluate the integral from 0 to 2 of e^4x, dx. e^8 1/4(1e^8) 1/4(e^81) 1/4e^8 (MY ANNSWER) 
Calculus I
For what values of a and b is the line 4x+y=b tangent to the curve y=ax^3 when x=4? Can anyone give me the hint? 
Calculus
An equation of the line with slope 1 that passes through the point (2,5) is y=x+7 
Calculus
Find the 4th Taylor polynomial, P4, generated by f(x) = 1/x at center a = 2 ? 
Calculus
Find the 4th Taylor polynomial, P4, generated by f(x) = 1/x at center a = 2 ? 
calculus help
integrate:dx/(3x^35)^3 i don,t know how to use wolframalpha plz show me step.... 
calculus
sin(cos^1(x/2))= draw right triangle to simplify 
Calculus question ?
Are there any horizontal asymptote on a ln natural log function 
Calculus
I need help I have to submit work at 12 est time 
Calculus
let f(x)=2x7. Use the rigorous definition of limit to show that lim x>4 f(x)=1 
Calculus
Use implicit differentiation to find the derivative of y with reapect to x x^2yy^2+ln(xy)=1 
Calculus
Does the series converge? diverge? Use the Root test ((1/n)(1/n^2))^n 
Calculus
Solve the following equation on the interval [0,2pi) if sin = 0.29? 
calculus
find the area of the parallelogram that has vectors as adjacent sides u = 2i +j +5k v = 4i 3j 3k 
Calculus
Evaluate using tabular method: integral e^(2x)cos3xdx 
math
Y=Ax^2+Bx has agradient of 7 at the point (6,8) ,find the constant numbers of A and B ? *calculus* 
calculus help me asap
if y^6=tanh^1(tan^4(4x^2+y^2)^2)^9 find dy/dx show work.... 
Calculus
Find a value for k so that the function is continuous. f(x) = {(x^2 + 2x  15)/(x  3), x ≠ 3 and 2kx  4, x = 3 Is k = 2? 
Calculus
Suppose you know f′(a) = R, a, R > 0. If f is an odd function, what is f(−a)? Explain 
calculus help
if y^3=6xyx^31 show that the maximum value of y occurs where x^3=8+2sqrt(14) 
Calculus
Can you please help me find the x and y intercepts of this equation. How do I solve this? y= x^2 √9x^2 
Calculus
Find the equation of the tangent line to the curve 2x^2y3y^2=11 at the point (2,1). 
Calculus
Find the Riemann sum for f(x) = sin x over the interval [0, 2π], where x0 = 0, x1 = π/4, x2 = π/3, x3 = π, and x4 = 2π, and where c1 = π/6, c2 = π/3, c3 = 2π/3, and c4 = 3π/2. 
Calculus
Use the function f and the given real number a to find (f^1)'(a) f(x)=x^3+8x3 a=6 (f^1)'(6)= Thank you. 
Calculus
Find the derivative. y=e^8x/[e^(8x)+9] y' = The answer I have is 8e^8x/[(e^8x+9)^2] but it marked it incorrect.. 
calculus
find the area of the region bounded by the curves f(x)=xx^3 ; g(x)=x^2x ; over [0,1] 
calculus
Use the definition of derivative: lim(as h approaches 0) (f(x+h)f(x)/(h) to find f(x)=(1)/(2x). 
calculus
how do you find the derivative of this (x^2)/ (2) +2 and does it have any x intercepts, asypmtotes, or holes. 
Calculus
Find the magnitude and direction angle of p=42i+35j 
Calculus
Find the magnitude and direction angle of p=42i+35j 
Calculusderivatives
At what points on the graph of f(x)=6x^2+4x9 is the slope of the tangent line 2? 
Calculus
Given k(p) = p+4, find the average value of this function on the interval from 4 to 4. I get 6. 
Calculus II
If {an} (a sequence) is decreasing and an > 0 for all n, then {an} is convergent. True/False? 
Calculus
Find the derivative of the integral from x^3 to 5 of cosk/(k^2+2). My answer is ((cos(x^3)(3x^2))/(x^6+2). 
calculus
dt/dx= ((x^2+a^2)^(1/2))/v1+((b^2+d^2)^(1/2))/v1 the function dt/dx has a zero at a unique x on (0,d). Use this to justify your discovery that d= (x^2+a^2)^(1/2) + (b^2+d^2)^(1/2) 
Calculus Antiderivatives
Find a function whose derivative is a constant k 
Calculus
Evaluate the integral by interpreting it in terms of areas. 0 (3 +sqrt(1 − x2)) dx −1 
calculus
dy/dt = 2y^(1/2) y(0)= 2 What is Euler's method for computing yk+1 from yk with step size delta t when yo= 10 
Calculus
Find the derivative of the function y=S 10(t)^1/2 sin(t)dt y'=? S=integration symbol b=x^3 a=(x)^1/2 
Calculus
find the area of the region bounded by the graphs of y=x^2 and y=cos(x) 
calculus
Find a Cartesian equation for the curve and identify it. (r^2)cos(2θ)=1 
Calculus
Compute the absolute and relative errors in using x to approximate x. x=pi; c=3.18 
calculus
Find the area of the region enclosed by the parametric equation x = t^3−3t y = 6t^2. 
Calculus I'm really confused
solve the differential equation dy/dx=y^2/x^3 for y=f(x) with condition y(1)=1. 
calculus
Q.NO.1: Show that the function z=ln(x^2 + y^2)+2tan^1(y/x) satisfies Laplace’s equation. (∂^2z/∂x^2)+(∂^2z/∂y^2)=0 
calculus
Q.N0.2: Show that u(x,y)=ln(x^2 + y^2) and v(x,y)=2tan^1(y/x) satisfy CauchyRiemann equations (∂u/∂x)=(∂v/∂y) and (∂u/∂y)=(∂v/∂x) 
calculus
Find the radius of convergence, R,and the interval, I, of the series. starting n=1 [(x4)^n]/(n^n) 
calculus
Evaluate the indefinite integral as an infinite series. [cos(x)1]/x dx 
Calculus
f(x) = sqrt(x+1) a=3 change of x =.8 to estimate f(3.8)f(3) use linear approximation 
Calculus
Let f(x)=sqrt(x+2) and use the Linear Approximation to this function at a=14 with Δx=0.3 to estimate f(14.3)−f(14)=Δf≈df= 
Calculus
Which value of c satisfies the MVT for f(x) = x*sinx on [1,4]? My answer is 2.463. 
Calculus
Find where the function is increasing and where it is decreasing f(x)=2sin(x) on [0,2pi] Thanks 
Calculus
Solve using chain rule y=(3x^3+1)(4x^23)^4 So far, I have: y'=(3x^3+1)*4(4x^23)^3*(8x)+(4x^23)^4*(9x^2) 
Calculus
Find dy/dx and express the final answer with a common denominator y=ln x^(2(4x12)) 
calculus 2
How to solve the definite integral of(3x+pi)cos3xdx from [pi over6,pi over 3] 
Calculus
Find the radius of convergence of the series from n=0 to infinity of ((9x4)^(2n+1))/(n^(3/2)). I think it is 5/9. 
calculus
a) For the function y= e^3x, determine dy/dx, d^2/dx^2 and d^3y/dx^3. b) From the pattern in part a, state the value for ((d^n)y)/(d(x^n)). 
Calculus
how to find the derivative of the function. y=integral cos(u^4) from 4cos(x) to 4x 
Calculus
If f is a vectorvalued function defined by f(t) = (e^(2t), lnt), then what is f ''' (t)? A. 8e^(2t)  2/t^3 B. (e^(2t), 2/t^3) C. (4e^(2t), 1/t^2) D. (8e^(2t), 2/t^3) E. 4e^(2t)/t^3 I think it is D. 
calculus
Find all solutions in the interval [0,2π) sin3x−sinx=0 
Calculus 2
Calculate the arc length of y= 1/4x^2−1/2ln(x) over the interval [1,6e] 
AP Calculus 12
Please help me with this question: lim __1__cosx__ x0 sinx Thank you! 
Calculus
Given that 1 x^2 dx=1/3, 0 use this fact and the properties of integrals to evaluate 1 (8 − 3x^2) dx. 0 
Calculus
Suppose f and g are continuous functions such that g(7) = 6 and lim [3f(x) + f(x)g(x)] = 18. x → 7 Find f(7). 
PreAlgebra
Write a rule for this pattern.Fing the next three numbers in the pattern. 1,4,10,22,46,94 the answer that i came up with was that the pattern start with one add 3 and it goes by 3's or 6's. Please and Thank you Can you see that each term after 1 is the previous term + 1, then... 
pre cal 11
i am stuck at a question that is asking for the common difference, first term, and general term for the arithmetic sequence the question is t10=50 and t27=152 i found my d=6 and t1=(4) so know my equation is: tn=(4)+(n1)6 i had asken my teacher to tell me what the general ... 
Precal/trig
A dog is attached to a 21foot rope fastened to the outside corner of a fencedin garden that measures 18 feet by 22 feet. Assuming that the dog cannot enter the garden, compute the exact area that the dog can wander. I'm confused as to how they want me to solve this... 
The Inspection Process
In some states, real estate agents are legally required to A. back up the claims their clents make about home conditions. B. appraise the values of the properties they sell. C. hire home inspectors to perform pre0sale inspections. D. pay the fees the presale home inspection. 
The Inspection Process
In some states, real estate agents are legally required to A. back up the claims their clents make about home conditions. B. appraise the values of the properties they sell. C. hire home inspectors to perform pre0sale inspections. D. pay the fees the presale home inspection. 
math last time then i'm giving up
im sorry but this problem is part of a major grade i have in my preap algerbrea 2 class.... ummm... okay lxl <these are going to be absolute value bars. 1. Solve lax+bl <or equal to c for x in terms of a, b, and c where a>0 and c>0 2. Now solve lax+bl >or ... 
PreAlgebra Math
A bank teller is counting his money and notices that he has an equal number of tens and twenties. He also had $147 in other bills. If the total value of the bills he has is $1,167, how many tens and twenties does he have What would be the equation in algebra? 
prealgebra
Use an inequality to solve the problem. A shopkeeper is making a triangular sign for his store front, but he must keep the sign under 20 square feet to adhere to the zoning laws. If the base of the sign is 20 feet, what is the maximum height of the triangular sign? 
Pre calc quick question
if a problem says f(x)=square root x^216; x less than or equal to 4. Find domain and range. to do this i set up the equation like x^216 less than or equal to 4. However by doing this I am runnning into complications findng domain and range. Am i doing it wrong can someone ... 
MATH: PreCal/Trig
The length of a rectangular flower garden is 6 more feet than its width. A walkway 3 feet wide surrounds the outside of the garden. The total area of the walkway itself is 288 square feet. Find the dimensions of the garden.