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

Tutors Answer Your Questions about Rational-functions (FREE)

Question 393700: find b such that f(x)=-4x^2+bx+3 has a maximum value of 50
Click here to see answer by ankor@dixie-net.com(15660)

Question 393906: Hello, how would you go about solving 343-7(x+3) if x+3 is raised to the second power?
Click here to see answer by stanbon(57387)

Question 393906: Hello, how would you go about solving 343-7(x+3) if x+3 is raised to the second power?
Click here to see answer by pie90010(44)

Question 394057: For the function, determine the zeros and their multiplicity.
y=(x-1)^2(2x-3)^3

Click here to see answer by robertb(4012)

Question 393401: If we add x mL of 100% acid to 100 mL of 35% acid solution, the concentration C(x) of the new mixture can be expressed as
a. x/x+100
b. x+0.35/100
c. x+35/x+100
d. 35/x+100
Eh? Truth be told, I don't even get what I'm supposed to do.
Click here to see answer by robertb(4012)

Question 394058: For each fuction, determine the zeros and their multiplicity.
Can you please work it out.
y=(3x-2)^5(x+4)^2
y=4x^2(x+2)^3(x+1)
Click here to see answer by robertb(4012)

Question 394294: x^2-7x+10
Click here to see answer by Alan3354(30993)

Question 394382: (1/3x-11)1/2=5

Click here to see answer by stanbon(57387)

Question 394297: this is for Algebra 2. we are working on The Rational Zero Therem and i cannot figure the answer to this question.
f(x)=3x^3+19x^2+4x-12
Click here to see answer by richard1234(5390)

Question 394895: please help me!!! evaluate the function f(x)=x2+5x+2 at the given values of the independent variable and simplify. a. f(7) b.f(x+2) c.f(-x)
Click here to see answer by edjones(7569)

Question 394916: i really need help with this one. f(x)=2x^-12x-4
a)determine without graphing whether the function has a minimum or maximum value
b)find minimum or maximum value and determine where it occurs
c)identify the functions domain and range
Click here to see answer by robertb(4012)

Question 395017: how do you solve
Click here to see answer by ewatrrr(10682)

Question 395017: how do you solve
Click here to see answer by jsmallt9(3296)

Question 395018:
Click here to see answer by jjordan95(63)

Question 395080: how do you solve?
Click here to see answer by jrfrunner(365)

Question 395306: without graphing find out whether it has a minimum or maximum value
find the minimum or maximum value
identify the functions domain and range for f(x)=3x^-6x-2
Click here to see answer by ewatrrr(10682)

Question 395797: its about simplifyinf radical expressions by factoring
Click here to see answer by MathLover1(6638)

Question 395813: s(x)=3X/X-5
Click here to see answer by Alan3354(30993)

Question 396194: Hi can you please show me how to solve for x for the following problem:
4/(6-x) + x^2/(6-x) = 2
I know you find the LCD (which i think is 6-x?) but then where do you go from there?
Thank you so much!
Click here to see answer by ewatrrr(10682)

Question 396197: Hello can you please solve for x:
2- 4/x^2 = -2/x
I think the LCD is x^2 is that correct? what do you do after finding the LCD? Thank you in advance!!!
Click here to see answer by ewatrrr(10682)

Question 396199: Please show me how to solve for x:
3/x^2 + 2/x = 10/(2x^2)
Thank you in advance!
Click here to see answer by ewatrrr(10682)

Question 396393: 4a + a
__ __
7 21
that is 4a over 7 + a over 21
It is adding and subtracting Rational expressions.
Click here to see answer by solver91311(16897)

Question 396659: determine which binomial is a factor of
-2(cubed) + 14x(squared) -24x +20.
these are the choices:
a. x+5
b. x+20
c. x-24
d.x-5
Click here to see answer by CharlesG2(828)

Question 396701: simplify the expression using long division:
(2x^2-33x+16) / (x-16)
Click here to see answer by MathLover1(6638)

Question 396701: simplify the expression using long division:
(2x^2-33x+16) / (x-16)
Click here to see answer by ewatrrr(10682)

Question 396702: the number of bacteria in a culture after t minutes is given as B=1000e^(kt). There are 4134 bacteria present after 4 minutes. Find k.
Click here to see answer by stanbon(57387)

Question 396704: The velocity of sound in air is given by the equation v=20√(273+t), where v is the velocity in meters per second and t is the temperature in degrees celsius. Find the temperature when the velocity is 329 meters per second by graphing the equation. Round the answer to the nearest degree.
Click here to see answer by stanbon(57387)

Question 396705: simplify the expression using long division:
find p(-4) and p(5) for the function p(x) =5x^5-5x^4-10x^2+6x-1
Click here to see answer by stanbon(57387)

Question 396747: What is the probability of drawing yellow marble followed by a red marble from a bag containing 12 yellow marbles, 14 red marbles, and 15 green marbles if the first marble is not replaced?

Click here to see answer by SadieKhan(31)

Question 396745: given a polynomial and one of its factors,find the remaining factors of the
polynomial.some of the factors
may not be binomials.
16x^3-144x^2-81x+729;x-9
Click here to see answer by ewatrrr(10682)

Question 396898: How do I solve a rational equation if I multiply the numerators by the lowest common denominators and several result in squared variables?
The problem in question is: [x/(x+2)]+x=[(5x+8)/(x+2)]
The LCD appears to be x+2.
Click here to see answer by lwsshak3(6519)

Question 397827: 3w^2-12w=-12
Click here to see answer by nerdybill(6962)

Question 397830: At what value of x does the graph of the function F(x) have a vertical asymptote?

F(x)=1/x-7

Click here to see answer by richard1234(5390)

Question 398027: Find a Polynomial for the perimeter and for the area. (Simplify, do not factor)
N+2
n
The perimeter is
The area is

Click here to see answer by mananth(12270)

Question 398028: Subtract. Simplify by collecting like radical terms if possible.
3√12-3√3

Click here to see answer by mananth(12270)

Question 398025: Solve (type an integer or a simplified fraction. Use a common to separate answers as needed. Type each solution only once)
w^2+w-20=0

Click here to see answer by mananth(12270)

Question 398024: Find all numbers for which the rational expression is undefined. (use a comma to separate answers)
(t^3-4t)/(t^2-36)

Click here to see answer by stanbon(57387)

Question 398024: Find all numbers for which the rational expression is undefined. (use a comma to separate answers)
(t^3-4t)/(t^2-36)

Click here to see answer by richard1234(5390)

Question 398060: what is the simplified expression of 3 + the square root of 7 divided by 2 minus the square root of 10
Click here to see answer by lwsshak3(6519)

Question 398204: I need to figure out the y intercept, x intersept, and symetry of the equation x=y^2-6.
Click here to see answer by stanbon(57387)

Question 398302: solve (4x+3)^2/3=(16x+44)^1/3
Click here to see answer by mananth(12270)

Question 398697: What is the least common denominator of xy^2 and 4xy
the problem is
5y+2/xy^2 + 2x-4/4xy
i can not do the problem because i can not figure out the common denomintaor

Click here to see answer by stanbon(57387)

Question 398844: i need help for finding the interval of increase and decrease for rational function
Click here to see answer by richard1234(5390)

Question 399155: I need help with this problem =
Click here to see answer by solver91311(16897)

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