# calculus - please help!

76,257 results

### Calculus

Hellp I have a calculus test on Monday 2. Calculate the slope of the tangent to the given function at the given point or value of x a. f(x)=3/x+1,P(2,1) b.h(x)=2/squareroot x + 5, P(4,2/3) ****Full solutions to please because I do not know what I'm doing and so confused with ...

### calculus

Can someone please tell me what the word "WHOLE" AND "IRRATIONAL" MEAN IN CALCULUS? THANKS

### calculus

hello here, Please can i get direction on website to practice calculus (both differential & integral) objectives based online. thanks.

### Calculus Please Need Urgent3 :/

Find the derivative of the following function using the appropriate form of the Fundamental Theorem of Calculus. F(x)= (s^2)/(1+3s^4)ds from sqrtx to 1 F'(x)=? Thank you so much guys!

### Calculus AB (AP)

Hi, I have a calculus test tomorrow and I understand how to complete all of the problems, but I am unsure behind the reasoning of taking two derivatives. Can someone please explain the following: 1. g(x)=e^(f(x)) g'(x)=e^(f(x))f'(x) 2. f(x)=Integral from 0 to 3x of the square ...

### Calculus

I need help with these two review calculus problems for my final exam. What is the derivative of a). (5x^2+9x-7)^5 b). Lne^x^3 For a. I got 50x+45(5x^5+9x-7)^4 For b. I got 3x^2 Can you verify please?

### Calculus: Derivatives

I'm having trouble understanding what derivatives in calculus (instantaneous speed) is. Can someone please explain it to me, or provide some easy links to learn from? Thanks!

### Maths Calculus Derivative Integral - Urgent Please

Use 2nd Fundamental Theorem of Calculus to find derivative of f(x) = integral of 2x^2 (at the top) to x-5 (at the bottom) of square root of Sin(x)dx

### Calculus please help

f(x)=(x^2+2x+3)^4, find f'(x). what rule do we use and can some please show me the steps

### Calculus

Find the derivative of (sin(^3)x)(tan x) Please explain to me in steps please , thank you

### Calculus (please help)

Evaluate the indefinite integral: INT dx/(64+x^2)^2 Please help with this one.

### calculus--please help!!

Find the functions f&g so that fog =H H(x)=(3x+2)^6 please show work

### Calculus help me please!

Find the value of k so that f(x)= {3x^2+kx+4 if x<0 and 2sqrt(x+4) if x >or equal to 0} is differentiable at x=0 can someone please provide help!!!

### calculus please help

lim y→−1 (sqrt(y^2+8)-3)/y+3 find limit if it exists please help

### calculus-can someone please help me with this ques

find the rate of change of f(x)=x^2+4 a. from -2 to 0 b. from 1 to 3 c. from -2 to 1 please show work

### Calculus Help Please!!!

if f(x)= x+(1/x), find f'(x) using the limit definition of derivative. Please show steps!!! Thank you!!!

### integral Calculus

ʃ (x4 + 6x3 – x2 + 2)dx I really need it for practicing this subject...please please help

### Pre-Calculus/Calculus

I am too embarassed to ask this Calculus (really pre-calculus) question in tutoring, because I know I should know. Is the inverse of f(x)=3x-1 actually f(x)=1/3x+1? How do I find it? What if it asks the same equation replaced with f to the -1 power (x)? I think I know how the ...

### To Reiny

Reiny could you please check my Calculus post below, it says Calculus--Reiny.

### calculus

from the equation: x^4 - i = 0 x^4 = i how do you get: The solutions are the fourth roots of i = cos(pi/2) + isin(pi/2) I don't understand how you get pi/2? please full and detailed explanation please.

### calculus

find the bound on the real zeros of the polynomial function f(x)=x^4+x^3-4x-6 cna you please show me how you got the answer please

### CALCULUS:)

Please help me... and show steps please :) integral from 0 to 1 of (e^x+1)/(e^x +x) dx

### calculus

please help! Find an equation of the tangent line to the curve at the point (-1, 1). y = 5x3 - 6x. y=? ...............i keep getting y=x+2 and its wrong. can someone please help?

### Finite Math

Fifty percent of students enrolled in calculus class have previously taken pre-calculus. Thirty percent of these students received an A for the calculus class, whereas twenty percent of the other students received an A for calculus. Find the probability that a student selected...

### calculus

can someone please help me with these 3 questions: 1) Evaluate the limit. lim_(x->infinity) (ln(ln(4 x)))/(4 x) 2)Find y ' and y ". y= ln(5 x)/x^7 3)y =(arctan)(x - sqrt(1+x^2)) for this question i got y = -1/(2(1+x^2))which was wrong. Please and thank you!

### Calculus POSTS please check

Please check my calculus posts. They are at the bottom. Thanks.

### Calculus--Reiny

Calculus - Reiny, Friday, December 23, 2011 at 6:59pm I read that as (4a^2-1)/(4a^2-16) * (2-a)/(2a-1) , my brackets are necessary = (2a+1)(2a-1)/( 4(a+2)(a-2) * (2-a)/(2a-1) the (2-a)/(a-2) are opposite, they will give you the -1 so.. = -(2a+1)/(4(a+2)) , again you have to ...

### Calculus

What is the use of Calculus? How is it use in jobs? What jobs use Calculus? Calculus is used in engineering, economics, any physical science, and in business (e.g., actuary studies and statistics).

### calculus

Quadratic function written in standard form where a, b, and c are constants such that a is not zero. f(x)= ax^2+bx+c Using calculus find the vertex of the parabola formed by this quadratic function. Determine under what conditions this vertex is a maximum or minumum (using ...

### calculus

Find any relative extrema and any points of inflection if they exist of f(x)=x^2+ ln x^2 showing calculus. Please show work in detail so I can follow. Thanks. The answer is no relative max or min and the points of inflection are (1,1) and (-1,1) but I'm having trouble getting ...

### Calculus 2

Calculus work problem. John bought the following corner lot. Two sides are bounded by 2 roads the back is bounded by a stream that follows the curve y = -x^3 + 8. He wants to build a house in the center of the lot. Where will that be? Please show all work

### Calculus

Greetings, This is a question about selecting courses for my semester. I was planning to take Calculus 3 (Mostly 3-Dimensional topics involving calculus) and a C++ programing course. If you have heard of these courses, can you please tell me your thoughts about me taking these...

### calculus please help

I posted this below but had no response. I would appreciate help with details please.How do I find the indefinite integral of h(u)=sin^2(1/5u) this is one fifth u. Does it involve double angle formulas? Thanks.

### calculus--please helpp

if the line 3x-4y=0 is tangent in the first quadrant to the curve y=x^3+k, find k. all i know is that its related to finding a derivative and i m basically completely lost....can please someone provide me some help?????

### Calculus

Can you please explain to me what are the qualifications for a function to be continuous? Please explain your response in easy to understand wording. thank you in advanced!

### Calculus please help!

The limit limh->0 ((sqrt1+h)-1)/h represents the derivative of some function f(x) at some number a. Find f and a. Please help!

### Calculus

If anyone can please help me solve this math problem! PLEASE!! Here is the link: img63.imageshack.us/img63/9355/img0002gp.jpg

### Calculus - please check my work

Differentiate each function a) y = -3x^2 + 5x - 4 b) f(x) = 6/x - 3/(x^2) c) f(x) = (3x^2 - 4x)(x^3 + 1) the answers i got for each was: a) y'= -6x + 5 b) f'(x)= -6/x^2 + 6/x^3 c) f'(x)= 15x^4 + 6x - 16x^3 - 4 please double check and let me know if these are correct, thank you.

### Calculus - please check my work

evaluate rounding to 2 decimal places if neccessary a) 1n5 = 1.61 b) lne^2 = 2 c) (lne)^2 = 1 please let me know if these are correct, thank you.

### Calculus

Please help find the rational roots of f(x)=4x^4 - 3x^3 + 2x^2 +x - 3 another is f(x)=-3x^3 - 2x^2 + x - 1 I tried but still confuse please help really really need help Thank you very much!

### Calculus Graph help!!!

I need help with a calulus graph and figuring out its equation but it wont let me post the picture of the graphs here. so will someone who understands Calculus and their graphs super well please email me k m k underscore horse lover at hot mail dot com. no spaces and an actual...

### Calculus Need of Urgent help

find the indicated limits, if they exist. 1. lim (3x^3+x^2+1)/(x^3+1) x-> -infinity 2. find the slope of the tangent line to the graph of the given function at any point: f(x) = 2x +7 Could anyone please, please, please explain to me how to do these problems? It seems like ...

### Calculus Help Please!!!

Find the equation in slope intercept form of the tangent line and the normal line to the curve x^2+4xy+y^2=13 at the point.(2,1). show steps please!!! thank you!

### Calculus please help

please help I can not understand this. I need an implicit form answer for the general solution of differential equation dy/dx=2(e^x-e^-x)/y^2(e^x+e^-x)^4 with (y>0). I have separated the y^2 to the left hand side to become 1/3y^3 but have no idea how to make the right hand ...

### calculus-can someone please help me with this ques

Given the following polynomial, find a. the zerros and the multiplicity of each b. where the graph crosses or touches the x-axis c. number of turning points d. end behavior f(x)=(x-1)(x-5) **please show work**

### Pre-Calculus

Could you please explain how to use a matrix (matrices) to solve a system of linear equations (two variables)? My book doesn't explain it in a way I can understand. Please and thank you.

### calculus-can someone please help me with this ques

Given the following polynomial f(x)=(x-1)(x-5), find A.the zeros and the multiplicity of each one b. where the graph crosses or touches the x-axis c.the number of turning points d. the end behavior Please show work.

### Calcuslus-Calculus-Calculus

A rocket arises from its launching pad with a velocity given. By 0.1 h m/s ,where h m is the height reached by the rocket at that time.the rocket is obserrvved from 2000 m away from the launch pad.at. What rate is the distance of the roocket from observer channging when the ...

### Calculus- please help

Let f(t)=(t^2+3t+8)(2t^2+6). (a) f'(t)= (b) f'(4)=

### integral Calculus

Please help me with this integral problem: ʃ x^2(a^2-x^4)^2dx please help..thanks alot:)

### calculus--please help!!

Solve the inequality. x^3+9x^2-108 less than or equal to 0. Then write in interval noation. Please can you show me step by step on how you got the answer. I have tries and I am very confused.

### Math, Calculus

help Please... Differential Equations Problems... please give the complete solution, so that i can understand how it is derived... tnx in advance, god Bless... Here are the problems : 1.) y dx + (2x+3y)dy = 0 2.) (2xy + y^(2) ) dx - 2x^(2) dy = 0 ;y = e, x = e 3.) y( x^(2) + ...

### Calculus- Help please

I don't know how to do this, so I can't graph it. f(x)= 1/x-4 Thank you for the help.

### calculus

f(x)=X^3, f(a+h)-f(a)/h please help im so lost thanks

### Calculus

Please help!! Differentiate: y=(x^2-1)^(1/2)/x^2

### PRE CALCULUS HELP PLEASE

((ln(x))^1/2)/(ln(x^1/2))=6

### Calculus Help Please!

If f(x)=Integral (t^3+6t^2+4)dt from 0 to x then f''(x)=?

### Algebra

In an interview of 50 math majors, 12 liked calculus and geometry 18 liked calculus but not algebra 4 liked calculus, algebra and geometry 25 liked calculus 15 liked geometry 10 liked algebra but neither calculus nor geometry 2 liked geometry and algebra but not calculus. Of ...

### Pre-calculus need help!!

Quadratic Formula 1.) x+6/x=-7 2.) 4x/x+4 + 3/x-1 = 15/x^2+3x-4 3.) x+3/x - 2/x+3 = 6/x^2+3x formula: -B+ sqrt B^2 + (-4)(a)(c)/2a f u only wanted to use the formula it's not necessary though. please help me! it's going to pass tomorrow!! please!

### Calculus Help Please

Consider the implicit function ln(xy)-cos^-1(x-1)=x a. Find dy/dx. b. Find y when x = 1. c. Find the equation of the tangent line in slope-intercept form when x = 1. Show steps please! Thanks!

### Calculus Help Please Urgent!!!

Prove that the integral on the interval [a,b] of x is equal (b^2-a^2)/2 integral a to be (x)dx = (b^2-a^2)/2 using the definition of a Definite Integral. This is the limit of a sum approach. show steps please!!! Thank you!!!

### calculus

express in sinx 1 1 ---------- + -------- cscx + cotx cscx - cotx and express in cosx 1 + cot x ------- - sin^2x cscx = 1/sinx so what do i do w. that extra one on the top!?? im so confused cscx Your fractions aren't lining up. This question is also not calculus. Please do not...

### CALCULUS: PLEASE HELP ME !!!!!

PlEASE HELP ME!!! I WOULD GREATLY APPRECIATE IT!!!! Find the least upper bound (if it exists) and the greatest lower bound (if it exists) for the given set. Please show all work. (0, 2) (−∞, 1) {x : x2 < 4} {x : x4 ≤ 16} {5/2,7/3,9/4} {0. 9, 0. 99, 0. 999...

### math calculus

Please explain how it is (ln 4) ¡Ò^8 2 x^-1 dx= (ln 8) ¨C (ln 2) =(ln 4)

### Calculus

can someone please explain h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 5 7 0 4 1 1 4 5

### Calculus

can someone please explain h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 5 7 0 4 1 1 4 5

### Calculus

Differentiate x5^sqrt(x). Help please!

### calculus

Evaluate the integral ((6x+7)/(x^(2)-8x+25))dx. Please and thank you.

### Calculus

Stuck on this problem. Please help! 1+u^4/u du

### calculus 2

please find the deriative

### calculus derivatives

Please confirm: {(5x+2)^4/x^2-3x+1)^3}= 20(5x+2)^2(x^2-3x+1)^3 -3x^2(5x+2)^4 (x^2-3x+1)^2/(x^2-3x+1)^6

### Calculus

Given F(2)=1,F'(2)=5,F(4)=3,F'(4)=7 and G(4)=2,G'(4)=6,G(3)=4,G'(3)=8, find: a)H(4)if H(x)= F(G(x)) b)H'(4)if H(x)= F(G(x)) c)H(4)if H(x)= G(F(x)) d)H'(4)if H(x)= G(F(x)) e)H'4 if H(x)= F(x)/G(x) Please Help!

### Calculus Please Help

integral t^2dt from x to x^2 f'(x)=?

### Calculus 1

How do you find the derivative of 1/3(x^2+2)^3/2 ? Please help

### Calculus Please Help!

Not sure how to do this. Asked before but it was hard to type out the symbols in the equation, so I have a screenshot below. exactly Please help! s.yimg(.)com/hd/answers/i/36cad89caaff4061bf38ed04166cbd76_A.png?a=answers&mr=0&x=1412733166&s=e590dacc075a9e04963385d0d299d56a

### calculus (please help)

find the volume of the solid whose bounded by the circle x^2+y^2=4 and whose cross sections perpendicular to the y-axis are isosceles right triangles with one leg in the base. Please give explanation and steps

### calculus

Determine the quadratic function f, whose graph is given. **The graph given is (0,-2) and (3,-11) The vertex is (3,11) and the y-intercept is -2 So, f(x)= **Please help me understand how to do this question. Could you please show work?**

### calculus

can someone please help me find all the zeros of the following polynomial. write the polynomial in factored form. f(x)=x^3-3x^2+16x-48 can you please show all work

### Math/ Calculus Please HELP!!!

An object at rest begins moving horizontally on the x-axis, starting at position x(t) = 0 feet at time t = 0 seconds.Suppose, after exactly 2 seconds we measure the position of the object to be 3 feet to the right of the origin AND measure the object to be moving to the ...

### calculus

find linear approximations for each of the following and put a bound on the error of the estimate. 1. (7.985)^1/3 using f(x)=x^1/3 and a=8 2. (.9997)^100 using f(x)=x^100 and a=1 please help explain please too

### CALCULUS

Please help.. ʃ (4sin²x cos²×/sin 2x cos 2x)dx That's integration of (4sin^2x cos^2x over sin 2x cos 2x) dx i've got it from the back and it has an answer from the back page of the book but i want to know how to solve it..i really need it for practicing this subject......

### Calculus help please

I have to evaluate the following: tan((sin^-1)(2/7)) and sin^-1 (sin(17pi/6)) Please help.

### calculus

Let f and g be differentiable everywhere. If g is the inverse of f and g(-2)=5 and f'(5)=-1/2, then g'(2)=? PLEASE HELP! Thanks

### calculus

sec^2(x) / (1+2tanx)^2 dx please help me with this integration thank you

### calculus

please help! Find the derivative of f when f(x) = 5 tan^-1 (e^-x) + 6e^x

### calculus

Find the anti-derivative of x^4... Isn't it 4x^3+c? Please help... Thanks!

### AP Calculus AB

The sum of x and y is 8. What is the maximum value of xy-x^2? Please help!

### calculus

can you please help me solve this problem if dy/dx=ycosx and y=3 when x=0, then y=

### Calculus

Evaluate the integral INT(x^4+6x^3+5x^2+8)/(x^2+6x+5)dx Please help.

### calculus

please help ? deravative of cot^2x-csc^2x ?

### Calculus

Graph f(x) = 4^(x - 1) Please show work

### Calculus

Differentiate f(x)=(x^(3)-8)^(2/3) Please Show Work

### math-calculus

|2x-3|-|2x+5| = 0 i please need helps with this.

### math-calculus

|2x-3|-|2x+5| = 0 i please need helps with this.

### calculus 2

please find the inverse function

### calculus

find F(x)' for x^3(3-x)^4.. i think answer is 3x^2(3-x)(3-3x)^4.. please help thanks

### Calculus help please!

Find the Antiderivative of 3/(3x+5) with steps

### Calculus Please Help??

Evaluate the integral (3x^2-16x-19)/(x^3-4x^2-3x+18)

### Calculus Help Please!!!

find y' and y” by implicit differentiation. 2x^3 + 3y^3 = 8