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

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 Question 529635: Please help me with this.I'm not sure how to do this.I have to solve these by factoring: I have to factor a. x^2 -5x + 4 = 0 b. x^2 + 10 = -6x I appreciate your help,thank you so much! Click here to see answer by lwsshak3(7679)

 Question 528095: Find all the rational zeros of the function. f(x) = x3 – 19x – 30 Click here to see answer by lwsshak3(7679)

 Question 527646: Please help me! I am working with radicals and have to graph each function and state the domain and range y = - sqrt x -1 and y = sqrt(x-4) + 2 Thank you so much! Click here to see answer by lwsshak3(7679)

 Question 528914: I don't know how to do this. I need to graph this and I don't know how to get the points. 9x^2 -1 =0 Thanks so much! Click here to see answer by lwsshak3(7679)

 Question 528920: Please help with this. I have to graph x^2 = 13x + 46. I need at least 4 points and I don't know how to get them. I appreciate your help. Click here to see answer by lwsshak3(7679)

 Question 528917: Please help me! I need to graph this and I have no idea how to do it. x^2 -x-5 = 0 I need at least 4 points, Thank you so much! Click here to see answer by lwsshak3(7679)

 Question 528628: For the following function find the vertical, horizontal, and oblique asymptotes, if any. Please show all of your work. f(x) = 4x/7x^2+6x-16 +25 Click here to see answer by lwsshak3(7679)

 Question 529966: Please help me with this. I have tried on my own...but, not getting it. I have to solve x^2 + 6x = 16 by Completing the square. 1.I have to show what is added to each side to complete the square (using boxes) 2. I have to evaluate the square roots and 3.simplify any radicals with plus,minus sign 4. I have to solve the resulting equation and indicate solutions. Thank you for your help with any part of this! Click here to see answer by bucky(2189)
 Question 529966: Please help me with this. I have tried on my own...but, not getting it. I have to solve x^2 + 6x = 16 by Completing the square. 1.I have to show what is added to each side to complete the square (using boxes) 2. I have to evaluate the square roots and 3.simplify any radicals with plus,minus sign 4. I have to solve the resulting equation and indicate solutions. Thank you for your help with any part of this! Click here to see answer by ptaylor(2058)

 Question 530046: 32^2/5 = 4 What are the specific steps to get this answer? How is it done? Click here to see answer by Edwin McCravy(9719)

 Question 530522: hello i need help wit this question? express each rtio as a unit rate. and i have to round it to the nearest tenth nd the question says 200 yards in 32.2 seconds. how do i find the anwser? Click here to see answer by stanbon(60778)

 Question 531232: Your brother competed in a long bicycle race. For the 1st half of the race he averaged 20 mi/h. For the 2nd half of the race he averaged 13 mi/h. What is his average speed in miles per hour for the whole race? Click here to see answer by stanbon(60778)

 Question 531246: The function f is one-to-one, find its inverse and determine the domain and range of both f and f^-1. f(x)=radical sign 19-x Click here to see answer by stanbon(60778)

 Question 531366: Please help me with this. I have to solve by factoring and show the steps. x^2 -x -5 =0 and 2x^2 -3 = 0 Thanks for the help! Click here to see answer by solver91311(18785)

 Question 531410: Alright, i have been trying this problem for like a reallly long time! I need some help! {3/(4x-8)}= (1/36)-{2/(6-3x)} Click here to see answer by stanbon(60778)

 Question 531582: Write the function whose graph is the graph of f(x)=[x], but shifted down 17 units. Thanks! Click here to see answer by stanbon(60778)

 Question 531581: I'm really having a hard time with this question: Find the domain of the given function. Express the domain in interval notation: f(x)=-3x-3 Thanks! Click here to see answer by stanbon(60778)
 Question 531581: I'm really having a hard time with this question: Find the domain of the given function. Express the domain in interval notation: f(x)=-3x-3 Thanks! Click here to see answer by solver91311(18785)

 Question 531361: Please help me. I am confused. How do I solve these by factoring? 3x^2 -2x = 0 and 9x^2 -1 = 0 Thanks so much! Click here to see answer by ankor@dixie-net.com(16527)

 Question 532007: Please!! I need help to solve by completing the square: 2x^2 -9x + 4 = 0 and 4 x^2 + x = 0 Thank you so much for your help!! Click here to see answer by stanbon(60778)

 Question 532203: A jewelry craftsman produces bracelets and necklaces that contain both gold and platinum. The following table shows the amounts of precious metals used in the production of these items. Metal Content (grams) Grams Available Bracelet Necklace per week Gold 12 6 120 Platinum 9 18 144 Suppose the craftsman makes a profit of \$130 on each bracelet and \$90 on each necklace. Calculate the craftsman’s maximum weekly profit and how many of each item he should produce each week. Click here to see answer by solver91311(18785)

 Question 532001: Please help with this! I need to solve by completing the square: 3x^2 -2x = 0 and x^2 + 100 = 27x Thanks so much!! Click here to see answer by ankor@dixie-net.com(16527)

 Question 532486: Find the poles (the vertical asymptotes). Enter your answers from smallest to largest. 3x − 4 ______ x2 - 8x x= (greater value) x= (smaller value) Click here to see answer by KMST(2478)

 Question 533127: how do you find the least common multiple of these 4 terms 1.(1-x) 2.(x) 3.(x) 4.(1+x) do you like multiply them all together like this? (1-x)(x)(x)(1+x) please be very clear in your anser! Thank you Click here to see answer by solver91311(18785)

 Question 533853: Find the x and y intercept for 5y-x=10 I need help Click here to see answer by nerdybill(7090)

 Question 534300: Find x if f(x) = 2x + 7 and f(x) = -1. Click here to see answer by fcabanski(1133)

 Question 534463: For the given functions f, g and h, find f○g○h and state the exact domain of f○g○h. Please show all of your work. f(x) = 1/x g(x) - lnx h(x) = 2x+15 Click here to see answer by solver91311(18785)

 Question 535071: The resistance of a wire is inversely proportional to the square of its diameter. If an AWG (American wire gauge) size 12 conductor (0.0808-in. diameter) has a resistance of 14.8, what will be the resistance of an AWG size 10 conductor (0.1019-in. diameter) of the same length and material? Click here to see answer by Alan3354(34679)

 Question 535078: The kinetic energy of a moving body is directly proportional to its mass and the square of its speed. If the mass of a bullet is halved, by what factor must its speed be increased to have the same kinetic energy as before? Click here to see answer by stanbon(60778)

 Question 535263: i have to find a quadratic function in standard form for these set of points (-1,2),(0,1),(1,-4) i dont get how to though Click here to see answer by scott8148(6628)

 Question 535379: I would really appreciate your help!!!! I need to simplify sqrt -81 multiplied by sqrt -36 Thank you so much! Click here to see answer by josmiceli(10616)

 Question 535350: what are the answers and please show work to the problems listed below bx bx-by 4x 5y-5x 2x+5x-3 2xsqared2+5x-3 2xsquared2-9x+4 Click here to see answer by Iluvidina(15)

 Question 535558: If f(x) = 2x + 4, and g(x) = (x^2 + x +5), find g (f(x)). I have solved to g(f(x)) = ((2x + 4)^2 + (2x + 4) + 5) 4x^2 + 8x + 8x + 16 + 2x + 4 + 5 4x^2 + 18x + 25 Then I am stuck. I am wondering if I did some arithmetic error that I am not seeing or if I just cannot find the right factor. Click here to see answer by fcabanski(1133)