# 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 68216: If f(x) = 4x - 3, find f(-1) findf(a-2) Click here to see answer by rmromero(383)

 Question 68377: if f(x) = 4x - 3 Find f(-1) Click here to see answer by checkley71(8403)

 Question 68376: -3x + 4y = 11 rewrite as a function of x. Click here to see answer by checkley71(8403)

 Question 68305: -3x + 4y = 11 rewrite the equation as a function of x. Click here to see answer by rmromero(383)

 Question 68627: b^2 - 4ac is called the discriminant of the quadratic equation. Consider: if b^2 - 4ac < 0 what can be said of the solutions ? I'm not sure what to do or how to answer this! Thanks Click here to see answer by stanbon(57357)

 Question 69074: When Acme Airlines changed to planes that could fly 100 km/h faster than its old ones, the time of its 2800 km Dallas-Seattle flight was reduced by 30 minutes. Find the speed of the new planes. Click here to see answer by ptaylor(2048)

 Question 68068: What is the function f(x)=3x, g(x)=x+2 if f(x)/g(x)? Click here to see answer by Nate(3500)

 Question 67999: I'm not sure how to do this problem, can you please help? Thanks! Consider: x + 6x^(1/2) + 9 = 0 Can we use the quadratic formula to solve this equation, and if so how? Click here to see answer by Nate(3500)

 Question 69410: Studying for final exam and require assistance with the following problems: If f(x)=x(x+3)(x-1), use interval notation to give all values of x where f(x)>0. If f(x)=x(x-1)(x-4)^2, use interval notation to give all values of x where f(x)>0. Find the quotient and remainder of f(x)=x^3-4x^2+5x+5 divided by p(x)=x-1. Find the quotient and remainder of f(x)=x^4-2 divided by p(x)=x-1. Stressing out please help... Thanks, John Click here to see answer by stanbon(57357)

 Question 69378: Please HELP!!! This is DUE tomorrow!! Radical and rational exponent notation are two ways to show the same process. Explain the similarities between radicals and rational exponent notation. Provide at least two other examples of mathematical notation or wording denoting the same process. Click here to see answer by tutorcecilia(2152)

 Question 69422: I'm not sure how to answer this question. I bet you could help:) Parallel lines have the same slope and never intersect each other. Discuss how you would show that any 2 lines with different slopes must always cross (intersect) one another. Click here to see answer by Nate(3500)

 Question 70495: well for class we have to read a word problem and define variables i dont know how to do this ..here is the problem Wanda, Xavier, and yolanda have a small business producing handmade shawls and afghans for the Mathematics Teachers Retirement Home. They spin the yarn, dye the yarn, and weave the cloth. A shawl requires one hour of spinning, one hour of dyeing, and one hour of weaving. An afghan requires 2 hours of spinning one hour of dyeing and four hours of weaving. They make a profit of \$16 per shawl and \$20 per afghan. Xavier does the spinning on his day off when he can spend at most eight hours spinning. Yolanda does the dyeing on her day off when she can spend up to six hours dyeing. Wanda does all of the weaving on Friday and Saturday when she has at most fourteen hours available. The trio would like to maximize their profit. Click here to see answer by josmiceli(9681)

 Question 70687: How do you solve this problem: The square route of k+9 minus the square route of k equals 3. Click here to see answer by stanbon(57357)

 Question 70705: graph function y=-2xsquared-4x+2 i just dont understand how 2 do this Click here to see answer by stanbon(57357)

 Question 70744: How do i graph equations without using a graphing calculator Click here to see answer by stanbon(57357)

 Question 70670: John has 300 feet of lumber to frame a rectangular patio (the perimeter of a rectangle is 2 times length plus 2 times width). He wants to maximize the area of his patio (area of a rectangle is length times width). What should the dimesions of the patio be, and show how the maximum area of the patio is calculated from the algebraic equation. Use the vertex formula to find the maximum area. Click here to see answer by ankor@dixie-net.com(15652)

 Question 70258: how do i do this im so confused Click here to see answer by Quackpot rocks(6)

 Question 70686: How do you work this problem: The square route of x+10 plus the square route of x-6 equals 8. Click here to see answer by ankor@dixie-net.com(15652)

 Question 70931: i have been out of school caues i had a kid and i just dont under stand it at all, just want to be able to do my homework. Click here to see answer by funmath(2925)

 Question 71047: What is the GCF for the polynomial 12x3y2 - 20x5y3? Click here to see answer by stanbon(57357)
 Question 71047: What is the GCF for the polynomial 12x3y2 - 20x5y3? Click here to see answer by Earlsdon(6287)

 Question 71046: What is the GCF for the polynomial 8x4y + 6x2y2? Click here to see answer by venugopalramana(3286)

 Question 71045: What is the GCF for the polynomial 4x3 - 2x2y? Click here to see answer by venugopalramana(3286)

 Question 71044: What is the GCF for the polynomial -10x3y4 - 16x5y2? Click here to see answer by venugopalramana(3286)

 Question 71043: What is the GCF? 16a4b2 + 20a2b2 - 4ab2 4ab 4b2 4ab2 none of the above Click here to see answer by venugopalramana(3286)

 Question 71099: What is the GCF for the polynomial 8x^4y + 6x^2y^2? Click here to see answer by checkley75(3666)

 Question 71098: What is the GCF for the polynomial 4x^3 - 2x^2y? Click here to see answer by checkley75(3666)

 Question 71159: six painters can paint 10 homes in 9 weeks. because of time constraints, the homes need to be finished in 2 weeks. how many ADDITIONAL painters must be hired to finish painting the 10 homes in only two weeks? Click here to see answer by ptaylor(2048)

 Question 71253: The price of gasoline at a local station throughout the month of March is modeled by y=-0.014x^2+0.448x-2.324 where x=1 corresponds to March 1. a) On what day in March did the price of gasoline reach it's maximum? b) What was the highest price of gasoline in March? Click here to see answer by funmath(2925)

 Question 71254: From 1990 to 1996, the consumption of poultry per capita is modeled by y=-0.2125t^2+2.615t+56.33, where t=0 corresponds to 1990. During what year was the consumption of poultry per capita at it's maximum? Click here to see answer by sudhir(14)

 Question 71252: A manufacturer of lighting fixtures has daily production costs modeled by y=0.25x^2-10x+800 where y is the total cost in dollars and x is the number of fixtures produced How many fixtures should be produced each day to yield a minimum cost? Click here to see answer by Earlsdon(6287)

 Question 71342: I do not understand how to simplify each rational expression 10x3 line 18x3 Click here to see answer by checkley75(3666)

 Question 71341: I do not understand how to simplify each rational expression 10x3 line 18x3 Click here to see answer by checkley75(3666)

 Question 71629: Find the rule for g if g(-3)=5 and g(1) Click here to see answer by stanbon(57357)

 Question 71634: Rational Expressions the maintenance bill for a shopping center containing 180,000 square feet is \$45,000. What is the bill for a store in the center that is 4800 square feet? Click here to see answer by checkley75(3666)

 Question 71628: Rational Expressions simplify (6y + 18)/(11y + 33) Click here to see answer by checkley75(3666)

 Question 71739: For the following parabola, find the x-axis intercepts and the coodinates of the vertex: -x2 + 11x - 18 I have not a clue on how to start this,,please help me!!! ThAnKs! Click here to see answer by stanbon(57357)

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