# Questions on Algebra: Rational Functions, analyzing and graphing answered by real tutors!

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 Algebra: Rational Functions, analyzing and graphing Solvers Lessons Answers archive Quiz In Depth

 Question 320096: I am having difficulty with this. Please help. if a pendulum has a period of 2 seconds, find its length rounded to the nearest tenth of a foot use formula T= 2 pi sqrt L/32 Click here to see answer by vleith(2825)
 Question 320096: I am having difficulty with this. Please help. if a pendulum has a period of 2 seconds, find its length rounded to the nearest tenth of a foot use formula T= 2 pi sqrt L/32 Click here to see answer by Theo(3464)

 Question 320078: Which expression represents the sum of the following? (3n / n^2 - 2n + 1) + (5 / n - 1) a) 8n - 1 / (n - 1)^3 b) 8n - 5 / (n - 1)^3 c) 8n - 5 / (n - 1)^2 d) 8n - 1 / (n - 1)^2 Click here to see answer by checkley77(12569)

 Question 320915: Why is every natural number a rational number, but not every rational number is a natural number? Click here to see answer by jim_thompson5910(28598)

 Question 321005: sum of rational expressions. i tried breaking the question down but i get lost. THE QUESTION: a 2 _____ + _______ (a^2+2a+1) (a^2+6a+5) Click here to see answer by Fombitz(13828)
 Question 321005: sum of rational expressions. i tried breaking the question down but i get lost. THE QUESTION: a 2 _____ + _______ (a^2+2a+1) (a^2+6a+5) Click here to see answer by JBarnum(2044)

 Question 321073: amy paid \$56.72 for a pair of runnig shoes during a 20%-off sale. what is the regular price of the shoes please help this is on my final exam and i have no idea how to answer it thank you Gabriella Click here to see answer by stanbon(57387)

 Question 321075: 2r - 3s = 12 3r + 2s = 31 solve by the elimination method what is the solution of the system (type an ordered pair. Use the intergers or fractions for any numbers in the expression) this question is on my final exam please help and quick thank you!!!!!!!!!!!!!!!! Gabriella Click here to see answer by ankor@dixie-net.com(15660)

 Question 321441: The bank compounds continously then the formula used is A=Pe^rt where e is constant and equals appr 2.713/ calculate A with continous compounding. roung your answer to the hundredth's place. so far I have A=4000^.07(8) butcant get it to come out right. Click here to see answer by Alan3354(30993)

 Question 321513: solve 4x+x(x-1)=0 find the x-intercepts of f(x)=4x+x(x-1) I am not sure how to get this into proper form dont know what to do with the x(x-1)part Click here to see answer by scott8148(6628)

 Question 321735: Find the indicated function value? 13. h(x)= 3x^2+5 a. h(0) b. h(-1) c. h(4) d. h(-3) e. h(4b) Click here to see answer by EpicTapeMaster(2)

 Question 321871: Can someone please help me to solve this one, I have tried several times, but I am doing something wrong. Please show me what to do. I tried using the quadratic formular, perhaps that is what I am doing incorrectly. 2sqrt(3x^(2)-2)=10 Click here to see answer by Earlsdon(6287)

 Question 322025: Contruct a polynomial function with stated properties. Reduce to lowest terms. Third degree with zeros of -3,-2 and 1 that passes through (3,8) Click here to see answer by Jk22(389)

 Question 322154: Find all solutions. x^2 + x - 2 + square root of (x^2 + x) = 0 Click here to see answer by Jk22(389)

 Question 322873: A pair of shoes was \$56.24. it s 20% off, what was the original cost of the shoes? Click here to see answer by rapaljer(4667)

 Question 323309: is 16/|x|^2 a rational expression and 15/x also a rational expression? thank you Click here to see answer by rapaljer(4667)

 Question 323620: Find the average rate of change of the function from x1 to x2. 7) f(x) = -3x2 - x from x1 = 5 to x2 = 6 Click here to see answer by Fombitz(13828)

 Question 323618: Find and simplify the difference quotient f(x + h) - f(x) h , h 0 for the given function. 4) f(x) = x2 + 3x + 9 Click here to see answer by Fombitz(13828)

 Question 324050: solve using the elimination method 0.3x-0.2y=4 0.5x+0.3y=1 the solution is (___,___) Click here to see answer by Fombitz(13828)

 Question 324173: What is the slope of a line? Given two points on a line, how is the slope calculated? Given the equation of a line, how is the slope calculated? Demonstrate by determining the slope of "3x + 5y = 19." Click here to see answer by checkley77(12569)

 Question 324374: Need help please solve by the subsutution method 8x-9y= -95 5x+64=y The solution is (___,___) Click here to see answer by Fombitz(13828)

 Question 324760: Find all the rational zeros of f(x) = 6x^3 -13x^2 + x + 2. Click here to see answer by Fombitz(13828)

 Question 324801: If f(x) = 7x3 − 8x + 2, then f(8) = ___. Click here to see answer by checkley77(12569)

 Question 324761: Find all the rational zeros of f(x) = 6x^3–3x+11x^2–2. Click here to see answer by Fombitz(13828)

 Question 324763: The functions f1(x) = -2(x–3)^4+1 and f2(x)=-2(x+1)^4–5 are graphed on the same axes. Explain how f2 can be obtained by a translation of f1. Click here to see answer by Fombitz(13828)

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