# 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 551137: Im taking pre calc as an online class and I'm in way over my head because they do not teach it in a way that I can understand AT ALL. please help, I need to know the vertical, horizontal, and slant asymtotes for: I have an idea on how to get the vertical and horizontal but I just wish I had an easier less confusing, faster way to determine the slant Click here to see answer by lwsshak3(6761)

 Question 551141: Im taking pre calc as an online class and I'm in way over my head because they do not teach it in a way that I can understand AT ALL. please help, I need to know: If y varies directly as x, and y=7 when x=3 find y when x=7If y varies directly as x, and y=7 when x=3 find y when x=7 I have an idea, SO CONFUSED Click here to see answer by Alan3354(31522)

 Question 551207: the line through (6, -4) and (-3, -2) is parallel to the line through (2, 1) and (0, y). find y. Click here to see answer by mananth(12270)

 Question 551596: F(x)=x^2-3x g(x)=2x+4 What is the value of: F(g^-1(-4)) Can you please help me with this problem? I am having trouble with functions. Click here to see answer by nerdybill(7008)

 Question 551714: For each pair of functions, find f(g(x)) and g(f(x)). f(x)= 3x+5, g(x)= x^2+1 Click here to see answer by jim_thompson5910(28715)

 Question 551922: what is the domain of the function f(x)=sqrt x-1 Click here to see answer by nyc_function(2733)

 Question 552042: 7/2=3/x-4 Click here to see answer by edjones(7569)

 Question 552174: Having trouble with this problem. I need a step by step on how to do it since I have a lot more of these to do. Thank you in advance. s/6-6/s=0 Click here to see answer by fcabanski(889)

 Question 552186: need help solving the following please: q^2-16/(q+4)^2 q^2-16 this whole thing is over (q+4)^2 Click here to see answer by fcabanski(889)

 Question 552203: -27+3x/5 divided by 4x-36/25 Click here to see answer by stanbon(57967)

 Question 552200: Solve for x: + = e Click here to see answer by AnlytcPhil(1278)

 Question 552233: Need help with this one please: q+8/3 + q-5/5=13/3 Click here to see answer by ankor@dixie-net.com(15746)

 Question 552483: The question is: The quadratic function f is defined by f(x) = a) Find the set of values of k for which the equation has real roots. b) Find the coordinates of the turning point of , stating whether it is a maximum or a minimum point. c) Hence, state the maximum value of Thank you. Click here to see answer by Alan3354(31522)

 Question 552930: find the nonpermissable replacement for x in this expression? _3_ 4x Click here to see answer by KMST(1936)

 Question 553042: how do you describe the end behavior in x -> and f(x) -> is when it comes to analyzing graphs of polynomials? Click here to see answer by rapaljer(4667)

 Question 553125: Is this relation a function, {(7,-2),(8,-2),(-5,7),(-9,1)} Click here to see answer by jim_thompson5910(28715)

 Question 553137: Is this relation a function {(-8,0),(10,6),(10,-2),(-5,7)} Click here to see answer by jim_thompson5910(28715)

 Question 553253: Find an equation for the linear function f for which f(3)=7 and f(-1)=5. Click here to see answer by jim_thompson5910(28715)

 Question 553533: Please help with this. I need to determine the zeros and their multiplicity for each function: a. y=x^2(x+6)^5(x+4)^6 b. y=x(x-8)^5 c. y=x(x-7)^18 Thank you very much. Click here to see answer by stanbon(57967)

 Question 553556: What is the value of the expression 1/0*0 Click here to see answer by rapaljer(4667)

 Question 554102: iF A WHOLE TRIP IS 2,306 MIILES AND GAS IS \$2.41 PER GALLON HOW MUCH extra will they pay for gas? Click here to see answer by Alan3354(31522)

 Question 554180: solve the inequiality x^2+13x+40<5 Click here to see answer by stanbon(57967)

 Question 554223: Is k(x)=500(1.5)^x an exponential growth or decay Click here to see answer by Alan3354(31522)

 Question 554217: How do you list the possible rational zeros of f in a function using the rational zero theorem? f(x)=x^4+2x^2-24 Click here to see answer by richard1234(5390)
 Question 554217: How do you list the possible rational zeros of f in a function using the rational zero theorem? f(x)=x^4+2x^2-24 Click here to see answer by KMST(1936)

 Question 554238: In 1991, the life expectancy of males in a certain country was 61.5 years. In 1995, it was 64.4 years. Let E represent the life expectancy in year t and let t represent the number of years since 1991. The linear function E(t) that fits the data is? Click here to see answer by josmiceli(9817)

 Question 554487: Please help me out with this one, "In this exercise, solve the equation containing a rational exponent on the variable." x^3/4= 125 Click here to see answer by ankor@dixie-net.com(15746)
 Question 554487: Please help me out with this one, "In this exercise, solve the equation containing a rational exponent on the variable." x^3/4= 125 Click here to see answer by bucky(2189)

 Question 554601: what are the x intercepts of (y^2)/(25)-(x^2)/(49)=1 a.(+-7,0) b.(+-5,0) c.(0,+-5) d.none i had worked this out and had gotten none. i just wanted to check and make sure that i am right? Click here to see answer by stanbon(57967)

 Question 554595: I want to know if my answers are correct to the following division problems: a.(2x^3-3x^2-x-2) divided by (x-2). (my answer: 2x^2 + x +1) b.(x^3-7x^2 + 11x +3) divided by (x-3) (my answer: x^2 -4x-1) c.(4x^3 -15x^2 -2x -3)divided by (x-4) (my answer:4x^2+x+2 + remainder 5/x-4) d. (x^3 + 125) divided by (x-5) (my answer: x^2+5x+25remainder 250/x-5) Thank you so much for your help! I really appreciate it. Click here to see answer by Alan3354(31522)

 Question 554913: 4x^2 + 4x +1 =16 Click here to see answer by jim_thompson5910(28715)

 Question 554972: How can I add these? 4g/3g-6 + 7g/6g-12 Click here to see answer by Maths68(1474)

 Question 555006: Factor: 2x^6 - 2x^4 - 12x^2 Click here to see answer by Tatiana_Stebko(1326)

 Question 555361: I need to simplify by rationalizing each denominator. My equation is the square root of 11 all over 5 square root of 132. HELP please Click here to see answer by ankor@dixie-net.com(15746)

 Question 555584: what is the answer in the retional expression 6c raised to two minus 23c minus 4 all over c raised to two minus 6c plus 8? please show the solution. Click here to see answer by stanbon(57967)

 Question 555642: The graph of the line through (2,3) that is perpendicular to the line with equation x = -1 also goes through which point? Click here to see answer by josmiceli(9817)

 Question 556608: (-243)^1/5 Click here to see answer by Alan3354(31522)

 Question 557278: x-2/x + 1/2= x+1/x-2 don't know where to begin??/ Help please! Click here to see answer by stanbon(57967)

 Question 557410: The denominator of a fraction is 2 less than twice the numerator. If 4 is added to both the numerator and the deniminator, we obtain a fraction equivalent to 5/8. What is the original fraction? How do we represent it? Click here to see answer by bucky(2189)

 Question 558200: find the real roots of the polynomial y=3x^4-5x^3-5x^2+5x+2 Click here to see answer by stanbon(57967)

 Question 558544: Let f(x)=5x^4 -7x^2 +4. a. How many zeros does f(x) have? b. Based on the graph, how many real number zeros does f(x) have? I know the answers are a. 4 and b.2 but I don't understand how you get that. Can you explain please? These are from my exam review packet. Help !! Click here to see answer by KMST(1936)

 Question 558732: Shelly throws her keys up into the air, releasing them from a height of 4 ft. above the ground with an initial velocity of 32 ft/sec. a. Write and equation representing the height of the keys in terms of time? Above on the WS it gives two equations for velocity both equaling h-height. This is why i am confused. Click here to see answer by ankor@dixie-net.com(15746)
 Question 558732: Shelly throws her keys up into the air, releasing them from a height of 4 ft. above the ground with an initial velocity of 32 ft/sec. a. Write and equation representing the height of the keys in terms of time? Above on the WS it gives two equations for velocity both equaling h-height. This is why i am confused. Click here to see answer by Earlsdon(6294)

 Question 559516: sketch the graph y=x^2+7x+10/x^2+17x+16 Click here to see answer by josmiceli(9817)

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