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

Tutors Answer Your Questions about Rational-functions (FREE)

Question 244755: *Determine whether each equation determines y to be a function of x.
y-2x=0
Click here to see answer by stanbon(57219)

Question 244921: Please help me with this problem. The question is below
write third-degree polynomial equation with real coefficients and the roots 3,3+i.
Click here to see answer by stanbon(57219)

Question 245017: -22=-2(-3x+-5)+4x-2
Click here to see answer by rfer(12644)

Question 245065: find the value of k. x^2+kx-21=0
when one root is 7
Click here to see answer by checkley77(12569)

Question 245099: is the function f(x)=(x^2/2) + (1/x) a rational function? If so write in the form of p(x)/q(x)
Click here to see answer by solver91311(16868)

Question 245829: Solve the following rational inequality. write your answer in interval notation.

X+2/4 is less than or equal to 0
Click here to see answer by dabanfield(803)

Question 245907: can you please give me a step by step solution for graphing the -x^2-2x-4.
therefore, finding the vertex, intercepts and additional coordinates of x and y.
thank you much.
Click here to see answer by solver91311(16868)

Question 245944: I need some help!
square root of x+6 plus square root of 2-x=4
Click here to see answer by jsmallt9(3296)

Question 246207: i am trying to solve this problem 4x-12/3-x
Click here to see answer by stanbon(57219)

Question 246331: Why do rational expressions produce asymptote?
Click here to see answer by jsmallt9(3296)

Question 246799: "What is the equation in Standard Form of y=-4x-4" Thank you
Click here to see answer by solver91311(16868)

Question 247125: how to simplest form of the:
10x²-10/1-x²
Click here to see answer by nerdybill(6948)

Question 247190: We have the following trinomial given to us: 3x² + bx + 2

Find all the integer values for b so that the trinomial can be factored.

Click here to see answer by Edwin McCravy(8879)

Question 247830: if f(x)+ square root x-5 and g(x) = -x find f+g and state the doamin
Click here to see answer by stanbon(57219)

Question 247778: functions f and g are defined f(x)= 3x+5 and g(x) = x (squared) +1 so what is g(f(x))
Click here to see answer by Fombitz(13828)

Question 247883: What is the value of t:-2/(4t-28)+1=5/(t-7)
Click here to see answer by stanbon(57219)

Question 248085: 1+ (1/x-1) = (20/x^2-1)
Click here to see answer by stanbon(57219)

Question 248123: 6x^-2x=0
Click here to see answer by tutorcecilia(2152)

Question 249066: Solve equation. Watch for extraneous solutions.
5/y-3=y+7/2y-6+1
Click here to see answer by College Student(505)

Question 249297: For the function of the parabola y=2(x-4)^2 +1 I am asked to remove the parantheses and rewrite this equation (I got 2x^2-63 which doesnt give me the same graph).
somehow this is supposed to give me the average value of the graph. I'm not really sure how to do either of these so some help please?
Click here to see answer by tutorcecilia(2152)

Question 249763: How do I find the horizontal asymptotes when the powers of x are different in the numerator and the denominator?
Click here to see answer by solver91311(16868)

Question 249763: How do I find the horizontal asymptotes when the powers of x are different in the numerator and the denominator?
Click here to see answer by jsmallt9(3296)

Question 249914: if 1/3(r+6)=1/6(r+8)then y=
Click here to see answer by solver91311(16868)

Question 250079: domain of f(x) =5x+6/2x-6
Click here to see answer by Fombitz(13828)

Question 250165: what is equationof the quadratic function using the vertex (3,-4)
Click here to see answer by solver91311(16868)

Question 250500: how to solve radical xsquare minus 4x minus 12 minus radical xsquare minus 4x minus 5 =1
Click here to see answer by jsmallt9(3296)

Question 248122: 6x^(-2x)=0
Click here to see answer by richwmiller(9135)

Question 250649: xsquared - 7x - 4 = -10
how do i solve this?
Click here to see answer by solver91311(16868)

Question 250662: Graph the Rational Function & give the equations of its asymptotes.

F(x)= 1/x+2 +3

Vertical Asymptote
Horizontal Asymptote
Click here to see answer by jsmallt9(3296)

Question 251073: 4x^3-2x^2+6-4x^3+5x^2-12 how do you work this out?
Click here to see answer by checkley77(12569)

Question 251423: add. simplify if possible.
u+y/uy^2 + 2u+y/u^2y
would it be 3u+y^3u+y^2u-2?
I would appreciate any assistance.
Click here to see answer by stanbon(57219)

Question 251574: graph (5, 0, -2)
Click here to see answer by nyc_function(2733)

Question 251932: please help me with this equation!.
):
(t+1)(t^2-1)
____________
(t-1)(t+1)^2
Click here to see answer by richwmiller(9135)

Question 252033: I am trying to solve an addition rational problem by finding the LCD. Thank you for your help.
Click here to see answer by richwmiller(9135)

Question 252031: please help me solve this equation: m^2+n^2 m n
-------- + --- + ---
m^2-n^2 n-m m+n
Click here to see answer by MRperkins(300)

Question 252046: How do I graph the quadratic functionof y= -x to the 2nd power minus 4x plus 2? And how do I Label the vertex and axis of symmetry?
Click here to see answer by stanbon(57219)

Question 252096: find all values of x where the graph y=(2x^3 -3x+4) / (x^2) crosses its oblique asymptote
Click here to see answer by stanbon(57219)

Question 252263: choose all rational numbers,
.53928305923
.53
.342958293
100000000000.2
.53535353
Click here to see answer by stanbon(57219)

Question 252263: choose all rational numbers,
.53928305923
.53
.342958293
100000000000.2
.53535353
Click here to see answer by checkley77(12569)

Question 252304: Graph y = 2x^2-13x-7
Click here to see answer by Alan3354(30959)

Question 250971: how do you solve this problem... 3+ x+6/x = x+5/x-1
Click here to see answer by dabanfield(803)

Question 250973: Please help me solve these equations
4^3x+1=28
ln(x+1)=3
4log(base 2x)+log(base 2)405

Click here to see answer by dabanfield(803)

Question 252418: Find the value(s) of k such that the equation f(x + k) = 0 has two equal real roots.
f(x) = - (1/2)x^2 - 5x + 4

please show steps, thank you so much!
Click here to see answer by stanbon(57219)

Question 250988: Graph 2x+y<6
Click here to see answer by drk(1908)

Question 250850: i need help on how to solve problems that are roots and rational exponents liek for example 4radical 36.
or -2x exponent-3y2 over 5 x raised to the third power times -3 over 2
Click here to see answer by edjones(7569)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055