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

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 Question 545822: What is the highest possible price for a bottle of the beer if it has to be under \$4 and its price in cents is gotten by multiplying the number of cents by 4, its number of dollars by 3, and adding the two results? Click here to see answer by Edwin McCravy(9716)

 Question 546018: I would really appreciate your help. I have to solve these equations. a. index 3 (radicand 2x + 1) = 1 b. (radicand x + 2) = x -3 c. x ^ 1/3 = 3 = 0 Thank you so much Click here to see answer by Alan3354(34674)

 Question 547199: What is the slope of the line with the equation ? Click here to see answer by mathie123(224)

 Question 547261: I have a couple that I am can not figure out thanks so much for your help g(x)= sqrt 5x-4 h(x)= 4x^2+7 Find: h(g(x)) g(x)=5x^2-4x _______ h(x)= sqrt x-7 find the domain of : g(h(x)) Click here to see answer by mathie123(224)
 Question 547261: I have a couple that I am can not figure out thanks so much for your help g(x)= sqrt 5x-4 h(x)= 4x^2+7 Find: h(g(x)) g(x)=5x^2-4x _______ h(x)= sqrt x-7 find the domain of : g(h(x)) Click here to see answer by stanbon(60771)

 Question 547282: find the domain of f(h(x)) I have no clue thanks bunches for help Click here to see answer by mathie123(224)

 Question 547360: how do a graph 2x + 1y = 54 and 3x + 2y = 32 in a graphic calculator, a texas instruments TI-83 plus Click here to see answer by Edwin McCravy(9716)

 Question 547530: determine the equations of any vertical asymptotes and the values of x for any holes in the graph of each rational function. f(x)=2x^2-x-10/(2x-5) Click here to see answer by Edwin McCravy(9716)
 Question 547530: determine the equations of any vertical asymptotes and the values of x for any holes in the graph of each rational function. f(x)=2x^2-x-10/(2x-5) Click here to see answer by KMST(2478)

 Question 548037: Find the LCM of: 121x^2-9y^2 and 11x^2+3xy I've tried breaking it down but i'm not sure how i would break it all down into one final answer. Could you please tell me my solution? Click here to see answer by ankor@dixie-net.com(16523)

 Question 548120: In a hydraulic cylinder, the air pressure varies inversely as the volume. If the pressure is 50 punds per square inch (lb/in.^2) when the volume is 40 cubic inches (in.^3), what will the pressure be when the volume is 20in.^3? Click here to see answer by Alan3354(34674)

 Question 548308: I have a problem to solve: You buy two rolls of bird fencing,each 3ft by 100 ft. to build an aviary. It will have four sides, a square roof and a square floor. (the seams will not overlap) A. How many sq. ft. of fencing do you have? B. Find the area of the floor in terms of the width w. (what is the area?) C. How much fencing is left to build the four sides? D. What is the area of one side? E. What are the length and width of one side in terms of w? F. Write an equation relating volume V to width w. G. What width gives the maximum volume?Remember each roll of fencing is three ft.across) H. How high should the enclosure be? thank you so much for your help> Click here to see answer by stanbon(60771)

 Question 548305: Please help with this. I have to write polynomial functions in standard form with the following zeros a. 0,4,-4 b. -1,-2,-3 c. 0,10,-10 d. 7,-3,0 I appreciate the help. Thank you! Click here to see answer by stanbon(60771)

 Question 547544: How do I simplify the rational expression? (a^2-49)/(a^2+10a+21) Click here to see answer by KMST(2478)

 Question 548271: what is the equation of a line perpendicular to y=3x-7 and goes through (-3,-4) Click here to see answer by mananth(13127)

 Question 548300: PLEASE, can anyone help me with this? I have to write a polynomial function in standard form with the following zeros: a. 1,1 b. 0,5,-5 c.0,0,0,1 d. 2,2,1,-1 Thanks for your help Click here to see answer by fcabanski(1132)

 Question 548496: Im having issue's with writing functions. It's similar to an x-y chart. f(x) and x. This is my problem: x f(x) 0 3 2 5 4 7 6 9 Click here to see answer by Earlsdon(6294)

 Question 548304: Please help me with these. I have to write a polynomial function in standard form with the following zeros: a. 1,1,-1 b.1,2,3 c.-1,-1,4 d.3,-7,0 thank you so much Click here to see answer by lwsshak3(7677)

 Question 548613: A rectangular deck for a recreation center is 21 feet long by 20 feet wide. Its area is to be halved by subtracting the same distance x from the length and width. Write and solve an equation to find the value of x. What are the decks new dimensions? Click here to see answer by mananth(13127)

 Question 548614: You have just planted a rectangular flower bed of roses in a city park. You want to plant a border of yellow roses around the flower bed as shown (8ft * 12ft). Because you bought the same number of red and yellow roses, the areas of the border should be equal. What should the width of the border of the yellow roses be? Click here to see answer by mananth(13127)

 Question 548612: You are placing a mat around a 25 inch by 21 inch painting as shown. You want the mat to be twice as wide to the left and right of the painting as it is at the top and bottom of the painting. You have 714 square inches of mat that you can use. How wide should the mat be to the left and right of the painting? at the top and bottom of the painting? Click here to see answer by xalmax(1)

 Question 548763: how do you evaluate this function? g(x)=-1.7x+2.8 find g(0.1) Click here to see answer by jim_thompson5910(29613)

 Question 548761: how do you evaluate this function? h(x)=5/2x+x^2 find h(-3/10) Click here to see answer by jim_thompson5910(29613)

 Question 549063: Can you find the points of disconinuity, and x- and y- intercepts of each rational function and determine whether the discontinuities are removable or non-removable for the problem Click here to see answer by lwsshak3(7677)

 Question 549255: I don't know what this question would be under. So Im just taking a wild guess. Find f(8) if f(x)=-5x + 3 My niece is having trouble on this question and is unsure how to figure the problem out. Click here to see answer by plover(15)