Wednesday

October 22, 2014

October 22, 2014

Number of results: 59,271

**mathmate**

hey mathmate iam having trouble with accounting do you know if you could help me out
*August 2, 2009 by henry*

**TO MathMate**

I have some other adjecifs as extras. I will put masc.pl 1st, then fem.S, then fem pl. quels,quele,queles italiens,italiene,italienes canadiens,canadiene,canadienes premiers,premiere,premieres frais,fraise,fraises longs,longe,longese petits,petite,petites grands,grande,grandes...
*October 1, 2009 by Anna*

**TO MathMate**

Adjectif masc sing fem sing fem Pl bete betes bete betes Mathmate I got some of them, but some are kind of hard okay 1st I'll put the masc form, then fem, then mas pl, then fem pl. diligents, diligente, diligentes paresseux, paresseuse, paresseuses timides, timide, timides ...
*October 1, 2009 by Anna*

**english**

can u please give me a metaphor for happiness. mathmate can u help me on this?
*June 8, 2009 by elina*

**Calculus (Reiny or MathMate)**

A rational function g has the lines x=2 and x=-2 as vertical asymptotes, the line y=4 as a horizontal asymptote, and numbers 3 and 1 as zeros. Find a formula for g(x). So I got g(x)=(4x^2-16x+12)/(x^2-4) Is this correct
*September 6, 2010 by Leanna*

**MATLAB for MathMate**

Would you please help Lee with his problem? Sra
*July 20, 2011 by SraJMcGin*

**math/mathmate please answer or someone smart!!**

can you explain pie to me i'm in y7 and want to get ahead!
*June 3, 2011 by who wants 2 no?*

**Calculus: for mathmate**

Find the slope of the tangent line to the graph of the given function at any point: 1. f(x)= 13 I understand that you said the tangent to the line is the coefficient of x, but what would be the slope of this problem. For problems like this are there specific steps to take?
*February 8, 2011 by Anonymous*

**trigonometry (MathMate)**

MathMate i would really appreciate if you can show me where the logarithms can be used.I know they are unnecessary and I already found the answer without them but i still have to show my work using logarithms and they just confuse me. I also have most trouble woth the anti-...
*February 21, 2011 by anon*

**FOR MATHMATE**

Media services charges $40 for a phone and 20/mth for its economy plan. It says to find a model that determines the total cost, C(t), of operationg a media Services phone for t months. I think the answer should be in this equation - y = mx+b. Not sure. Algebra/Equations,...
*November 26, 2010 by AMY*

**Calculus - MathMate Please help**

I asked this question on last thursday and u told me that the bottom limit for the 1st and the right limit for the 2nd area is missing? The question that i posted had no other information and i dont know why you said that the limits are missing. There is no other limits that ...
*November 29, 2010 by K*

**thank you mathmate **

Thank you for your help
*May 14, 2011 by Julie*

**to SRA or Mathmate corrected answers for French**

I got the rest execpt this one Marie joue au football. Elle est------. I have been looking in my textbook for the last 20 minutes and still can't find the answer. Can someone please help me!!
*October 12, 2009 by bubbles*

**To- SraJMcGin & Mathmate**

Thanks for all your help :)
*December 16, 2009 by Anna*

**MathMate**

could you help me on the investment post
*March 26, 2011 by emma*

**Calculus (please help I really need to check this)**

Consider a window the shape of which is a rectangle of height h surmounted a triangle having a height T that is 1.3 times the width w of the rectangle. If the cross-sectional area is A, determine the dimensions of the window which minimize the perimeter. h=______ w=______ What...
*April 11, 2011 by Katrina*

**Math**

MathMate - I'm still confused, please see below. Thanks!! SIMPLEX METHOD - Table: Nutrient Peanuts Raisins M&Ms Pretzels Calories 855 435 1024 162 Protein 34.57 4.67 9.01 3.87 Fat 72.50 0.67 43.95 1.49 Carbs 31.40 114.74 148.12 33.68 Suppose that you want to make at most 10 ...
*June 6, 2011 by Jay*

**for MATHMATE**

Do you know what happened to Ms. Sue? She's not answering any questions!
*May 19, 2010 by Anonymous*

**Math algebra**

I'm reposting this, because Mathmate's answer hasn't directed me to the WHY? part of the question. Any prompts appreciated. The product of any two (whole) numbers each of which leave a remainder of 1 on dividing by 7, also leaves a remainder of 1 on dividing by 7. Why? I ...
*May 3, 2010 by charlie*

**TO MathMate**

I just wanted to say thanks for all your help, I really do appreciate it :-)
*September 16, 2009 by Sara*

**Calculus (pleas help I really need to check this)**

Consider a window the shape of which is a rectangle of height h surmounted a triangle having a height T that is 1.3 times the width w of the rectangle. If the cross-sectional area is A, determine the dimensions of the window which minimize the perimeter. h=______ w=______ What...
*April 11, 2011 by Katrina*

**(math ) for mathmate**

Can you show me how to just work for the 1st one and i will try and take it from there?
*July 19, 2009 by keisha*

**MathMate**

Are you just a math tutor? Cause you could provide great help in English to jiskha students.
*April 1, 2011 by Anonymous*

**For MathMate**

Hi! So i posted a question yesterday and I worked on but before i submit my answer do you think you can check my answers? 1. 7x+3y= pi 4x-6y= pi^2 2. 2x+3y= 0 4x+6y= 0 2 3. x+3y=1 4x+ 6y= 1 4. x+y=5 x+2y=10 5. 2x-3y=5 4x-6y=10 1.U 2.N 3.N 4.U 5.I
*September 11, 2009 by Completely lost?!*

**computers **

Hey mathmate is it posible to make the computer read my powerpoint presentation and thanks again for answering my other question
*September 26, 2009 by Nathan*

**Algebra-Mathmate or Reiny or Dr. Bob, please check**

I have two short questions which I think I know the answer-could you please check? If I write log(b)x - 2log(b)y as a single logarithm it would be log(b) x/y^2, correct? If not please help and Is the function f(x) = 1/x a exponential function -I think it would be because it ...
*December 14, 2010 by Anna*

**Math Help**

This is a substitution equation. Would that change the steps that you did? Y=3x+1 Y=5x-3 Answer says x=-2 and y=7 Please explain steps. Thanks math help - MathMate, Monday, April 23, 2012 at 10:25pm Y=3x+1 ...(1) Y=5x-3 ...(2) By comparison of (1) and (2), we conclude that 3x+...
*April 23, 2012 by TO: Mathmate*

**math**

MathMate attempted to help but did not show how the problem is answered. It only confused the problem. Could someone else please help? Thanks. The denominator of a fraction is 4 more than the numerator. If both the denominator and the numerator are increased by 1, the ...
*March 26, 2011 by Dylan*

**physics (Mathmate)**

The space shuttle is in a 250 mile high orbit. What are the shuttle's orbital period, in minutes and its speed?
*June 16, 2010 by MD*

**French response**

Mathmate, I wrote a response below. The worksheet I worked on was a crossword puzzle and question 18 is only a five letter word and i'm not sure what it may be.
*August 31, 2009 by Lisa*

**Calculus - MathMate Please help**

ok, i tried to do what you told me but i cant solve it for c because they cancel each others out! the integral for the first one i got is [sin(c)cos(x)-cos(c)sin(x)+sin(x)+c] and the integral for the 2nd one i got is [-sin(c)cos(x)+cos(c)sin(x)-sin(x)+c] I dont know what to do...
*November 29, 2010 by K*

**MathMate Help!!!**

This was the question before that you answered with more information. "Two altitudes of a triangle have lengths 12 and 14. What is the longest possible length of the third altitude, if it is a positive integer?" I don't get it. Could you at least help me for the first couple ...
*June 24, 2014 by Sheenybeany*

**ms.sue**

can you help me with accounting or you do english and other stuff but not math because i know mathmate does math but i dont know if he does accounting.but i asked him anyway, by his name i think its a yes or maybe.or do you know someone that can help me.
*August 2, 2009 by henry*

**statistics**

this is to mathmate...this is jimmy and you answered by questions on random sample and probability (better business bureau question)..i greatly appreciate your help but i do not understand part b and d answers..i am totally lost on this whole question
*July 22, 2012 by jimmy*

**calculus**

Can someone please tell me what the word "WHOLE" AND "IRRATIONAL" MEAN IN CALCULUS? THANKS
*September 2, 2008 by Mike*

**calculus**

hello here, Please can i get direction on website to practice calculus (both differential & integral) objectives based online. thanks.
*August 19, 2009 by matrix school 2*

**To:MathMate**

I need help.Do you have help for me?As I said before,I searched it and I got something other people said was incorrect.I am desperate for the correct answer.I Need ALL The Help I Can get.Have Any?? Thank Youu (:
*September 16, 2009 by Cheyenne*

**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!
*April 19, 2014 by Jay*

**Calculus**

Posted by CMM on Wednesday, October 13, 2010 at 12:50am. Calculate the following: a) Find g(f(1)) b) Find lim x-> 1+ g(f(x)) c) Find f(g(0)) d) Find lim x->0- f(g(x)) f(x)= 1-x, x<1 1, x=1 x-1, x>1 g(x)= -x, x<0 2, x=0 x+2, x>0 This is where it gets hard. I ...
*October 13, 2010 by CMM*

**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 ...
*April 13, 2011 by Jake*

**To MathMate:-)**

1. -Tu manges quelque chose. -Tu ne manges rien. 2.-Ma famille et moi, nous allons souvent en vacances -Ma famille et moi, nous n'allons plus en vacances. 3. -Ta soeur et toi, vous prenez souvent des croissants. -Ta soeur et toi, vous ne prenez jamais des croissants. 4.- Je ...
*October 13, 2009 by Anna*

**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?
*May 21, 2012 by Sam*

**Geometry HELP**

Using coordinate geometry to prove that the diagonals of a square are perpendicular to each other. Given: Vertices are at A(0,0), B(a,0), C(a,a) and D(0,a) Slope of AC=1; Slope of BD=-1 type your proof. (I've gotten help on this earlier but I still don't understand. Mathmate ...
*June 11, 2010 by Ariel*

**Probability**

Thank you for the explanation MathMate! Would the answer to this question be A? Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that at least 4 of her ...
*March 4, 2012 by Student*

**Math**

Hi, this is a question I posted a couple of days ago and answers below.I am still really confused and unfortunately can't copy a picture into this. I thought it would be y-x but have no idea how to calculate that, but as the pistons move in towards each other, wouldn't the ...
*October 15, 2009 by Melody*

**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!
*September 9, 2007 by Joe*

**ms. sue**

ms. sue you think i should post a post that adress to reiny and mathmate and ask if they give help to me with my socials posts because they may not see my socials posts down there.
*December 16, 2011 by Mohammad*

**Deadline Approaching: Please Help**

SIMPLEX METHOD - Table: Nutrient Peanuts Raisins M&Ms Pretzels Calories 855 435 1024 162 Protein 34.57 4.67 9.01 3.87 Fat 72.50 0.67 43.95 1.49 Carbs 31.40 114.74 148.12 33.68 Suppose that you want to make at most 10 cups of trail mix, using all the ingredients. You want each ...
*June 6, 2011 by Jay*

**Math**

Mathmate, I really appreciate all your help regarding my composite function question below but I'm still in need of your help. I don't understand how the range of x^2-x+1 is R. Isn't this a parabola with a minimum for y? Also, I understand minimum and maximum values of sine ...
*September 25, 2010 by Sarah*

**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
*October 18, 2010 by Nick*

**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 ...
*July 1, 2008 by Molly*

**Computer Science**

For MathMate: Mythical Man Ques. You answered my ques. several days ago, but I do not quite understand the answer. The ques. was as follows: If it took one person 3 months to make one quilt, why does it take 6 people four months to make one?
*September 22, 2010 by Fayetta*

**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
*April 29, 2008 by John*

**Calculus**

Find the derivative of (sin(^3)x)(tan x) Please explain to me in steps please , thank you
*April 19, 2010 by Christine*

**Calculus (please help)**

Evaluate the indefinite integral: INT dx/(64+x^2)^2 Please help with this one.
*September 20, 2011 by Carmen*

**calculus--please help!!**

Find the functions f&g so that fog =H H(x)=(3x+2)^6 please show work
*January 8, 2013 by anonymous*

**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!!!
*November 27, 2011 by kali mata*

**calculus please help**

lim y→−1 (sqrt(y^2+8)-3)/y+3 find limit if it exists please help
*December 2, 2012 by dt*

**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
*December 16, 2012 by confused--Please help!!!!*

**Calculus Help Please!!! **

if f(x)= x+(1/x), find f'(x) using the limit definition of derivative. Please show steps!!! Thank you!!!
*February 25, 2014 by Tenshi *

**trigonometry (repost) Mathmate**

Use logarithms and the law of tangents to solve the triangle ABC, given that a=21.46 ft, b=46.28 ft, and C=32°28'30" Using the previous values, a=21.46 b=46.28 C=32-28-30=32.475 We have A+B=180-32.475=147.525 a+b=67.74 a-b=-24.82 tan((A+B)/2)=3.433633 tan((A-B)/2)=tan((A+B)/2...
*February 27, 2011 by Anon*

**physics**

I found out how I was messing up and getting the wrong answer. I entered (-30) squared + 49.5 squared then took the square root of the answer getting 39.37 instead of 57.88 which i figured out was the right answer, I didn't enter all in my calc at the same time. ...whoops. ...
*September 21, 2009 by Constant physics poster!*

**To Reiny**

Reiny could you please check my Calculus post below, it says Calculus--Reiny.
*October 4, 2011 by -Untamed-*

**French response to mathmate**

Here are the corrected answers to the first post. Thank you so much for all the help!! :)) 1. Quelle jupe plissée 2. Quel chemisier 3. Quel pull 4. Quelle paire de chaussures 5. Quel manteau 6. Quelle chemise à manches à longues 7. Quel jean 8. Quel anorak 9. Quelles ...
*September 2, 2009 by Jeff*

**Thank You MathMate**

Thank you for assisting me with my MATLAB question. If I posted this on the actual question you never would of seen it. What you suggested to do worked and produced the results I was suppose to get. I wanted to say thank you. And a grid_size of 500 seems to produce more stable...
*July 19, 2011 by Lee*

**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.
*April 14, 2008 by Dom*

**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
*December 22, 2012 by anonymous*

**CALCULUS:)**

Please help me... and show steps please :) integral from 0 to 1 of (e^x+1)/(e^x +x) dx
*August 9, 2011 by Brit*

**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?
*January 25, 2011 by nic*

**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!
*October 29, 2010 by clare*

**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).
*May 5, 2007 by Anonymous*

**Calculus POSTS please check**

Please check my calculus posts. They are at the bottom. Thanks.
*September 21, 2011 by Anonymous*

**AlgebrAlgebra-Mathmate or BobPursley or Reiny**

I had asked a question earlier and bob pursley nicely answered it but I do have a question concerning it still- perhaps someone could clarify it- f(x) = logx is a logarthmic function. Bob Pursley said it could be because the base is implied but my question is the way it is ...
*December 14, 2010 by Anna*

**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 ...
*December 25, 2011 by -Untamed-*

**physics**

Posted by sandhu on Wednesday, November 24, 2010 at 4:29am. The firetruck goes around a 180°, 162 m radius circular curve. It enters the curve with a speed of 12.6 m/s and leaves the curve with a speed of 38.8 m/s. Assuming the speed changes at a constant rate, what is the ...
*November 24, 2010 by sandhu*

**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 ...
*May 8, 2011 by Janet*

**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 ...
*May 4, 2013 by Rene*

**MathMate - look at this**

perhaps you can shed some light on this I seem to have a "mental block" here. http://www.jiskha.com/display.cgi?id=1292296754
*December 13, 2010 by Reiny*

**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
*September 27, 2012 by Laura*

**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...
*January 3, 2012 by Simon*

**For MathMate or bobpursley - check this**

Can somebody take a look at this? http://www.jiskha.com/display.cgi?id=1318555635
*October 13, 2011 by Reiny*

**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.
*February 19, 2011 by mary*

**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...
*May 2, 2012 by kelsey*

**Calculus**

If anyone can please help me solve this math problem! PLEASE!! Here is the link: img63.imageshack.us/img63/9355/img0002gp.jpg
*July 22, 2010 by Paul*

**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.
*June 18, 2012 by Henry*

**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.
*June 18, 2012 by Henry*

**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!
*September 2, 2012 by Heather*

**calculus--please helpp**

if the line 3x-4y=0 is tangent in hte 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?????
*October 14, 2011 by krishna*

**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 ...
*February 8, 2011 by Anonymous*

**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!
*April 8, 2014 by Tanya *

**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**
*December 17, 2012 by confused--Please help!!!!*

**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 seperated the y^2 to the left hand side to become 1/3y^3 but have no idea how to make the right hand...
*February 18, 2011 by Brian*

**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.
*January 24, 2013 by Caroline*

**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 ...
*March 16, 2011 by Mehak*

**Calculus- please help**

Let f(t)=(t^2+3t+8)(2t^2+6). (a) f'(t)= (b) f'(4)=
*April 29, 2008 by John*

**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.
*December 17, 2012 by Ladybug--Please help!!!!*

**integral Calculus**

Please help me with this integral problem: ʃ x^2(a^2-x^4)^2dx please help..thanks alot:)
*December 7, 2011 by WAN*

**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 ...
*January 11, 2010 by Anita*

**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.
*December 27, 2012 by Paul*

**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.
*April 4, 2008 by Pam*

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