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

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Algebra: Rational Functions, analyzing and graphing

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Question 39967: using -1 as a factor (divide)
(6-2x)/(x-3)

thanx
Click here to see answer by stanbon(26367)

Question 39969: using -1 as a factor (divide)
(x^2-5x-14)/(4-x^2)

thanx
Click here to see answer by stanbon(26367)

Question 39971: using -1 as a factor (divide)
x-14
_______ =
-3x+42

thanx
Click here to see answer by fractalier(1804)

Question 39968: using -1 as a factor (divide)
x^2-1
______ =
1-x

thanx
Click here to see answer by fractalier(1804)

Question 39966: using -1 as a factor (divide)
-a+3
______ =
2a-6

thanx
Click here to see answer by fractalier(1804)

Question 39972: using -1 as a factor (divide)
8y+5
_______ =
10-16y

thanx
Click here to see answer by fractalier(1804)

Question 39915: Multiply the rational expressions. Simplify the result.
x^2 + 2x - 3/x + 2 . x^2 + 2x/x^2 - 1
Click here to see answer by Fermat(127)

Question 40038: Assume that a ball is thrown vertically upward with initial velocity fo 96 ft per second. The distance s(t) (in feet) of the ball from the ground after t seconds is s(t)=96t-16t^2.
a. at what instant will it be back at the ground level?
b. for what time interval is the ball more than 112ft above the ground?
Click here to see answer by venugopalramana(3286)

Question 40036: for quadratic functions, sketch two parabolas showing all procedure (concavity, y-intercept, x-intercept, symmetric axis and vertex point)
a. y=2x^2-3x+1
b.y=-3x^2+2x+1
Click here to see answer by venugopalramana(3286)

Question 40035: the monthly revenue achieved by selling x boxes of candy is calculated to be $ x(5-0.05x). the wholesale cost of each box of candy is $1.50. How many boxes must be sold each month to maximize profit?
what is the maximum profit?
(Revenue=Cost +Profit)
Click here to see answer by venugopalramana(3286)

Question 40031: Assume that a ball is thrown verticallly upward with initial velocity of 96ft per second. the distance s(t) (in feet)of the ball from the ground after t seconds is s(t)=96t - 16t^2.
a. at what instant will it be back at the ground level?
b. for what time interval is the ball more than 112 ft above the ground?
Click here to see answer by venugopalramana(3286)

Question 40032: Bob has 3000 feet of fencing available to enclose a rectangular field.
A. express the area A of rectangle as a function of x where x is the length of rectangle.
B. for what value of x is the area largest?
C. what is the maximum area?
Click here to see answer by venugopalramana(3286)

Question 39916: Divide the rational expressions. Simplify the result.

(48x^2/y) / (36xy^2/5)
Click here to see answer by tran3209(100)

Question 39970: using -1 as a factor (divide)
(x-4)^2
__________ =
(4-x)^2

thanx
Click here to see answer by fractalier(1804)

Question 40231: simplify & solve

6x(-5y)+(-3x)(-4y)

Thank you
Click here to see answer by vidhyak(78)

Question 40225This question is from textbook

: Sue sew a precut dress in 5 hours. Helen can sew the same dress in 3 hours. If they work together, how long will it take them to complete sewing that dress? Give your answer rounded to one decimal place, if necessary.This question is from textbook

Click here to see answer by venugopalramana(3286)

Question 40229: simplify
(-3s)(4p)+(-4s)(3p)
Thank you
Click here to see answer by fractalier(1804)

Question 40227: 5x = 2x + 2x + 3
2x + 2 3x + 3 x + 1
Click here to see answer by wuwei96815(245)

Question 40325: Solve the indicated Domain: x^2=25
Click here to see answer by fractalier(1804)

Question 40365: well i got a packet and the question was to do this
Graph:

y=xsquared+x+2
Click here to see answer by Nate(3495)

Question 38007: Do you mean e=(1/7)j(c-d)???

Yes what does c equal and how?
Click here to see answer by Nate(3495)

Question 40521: Given f(x)=x^2, consider the translation 4 units to the left and 3 units upward. Give the translated function. By using Vertical and Horizontal Shifts,my answer is h(x)=f(x+4) h(x)=f(x)+3.
Please help with any mistakes.
Click here to see answer by josmiceli(3021)

Question 40522: The selling price of x number of a certain stereo can be modeled by the function R(x)=150x. The total cost of making x stereo is C(x)=90x-0.02x^2. What is the percent markup for 60 stereos?
I don't know where to start? Please explain. Thanks
Click here to see answer by josmiceli(3021)

Question 40538: I have a problem I don't understand.
6sqrt2 - 6sqrt7
The instructions are to simplify.
I have many examples to practice with, but all the numbers in the sqrt in the examples are the same, how do I do this when the sqrt numbers are different?
Click here to see answer by Nate(3495)

Question 40616: The average atmospheric pressure P is pounds per square inch is P = 14.7e-0.21x where x is the altitude in miles above sea level. Find the average atmospheric pressure for an altitude of 3 miles. Round the answer to the nearest tenth.
Thanks for anyones help
Click here to see answer by josmiceli(3021)

Question 40688: graph f(x)= x/x+3

Click here to see answer by Nate(3495)

Question 40690: graph g(x)= 5/(x+2)(x-1)

Click here to see answer by Nate(3495)

Question 40715: solve rational equation:
12 over x plus 3 over 4 equals 3 over 2
please do it step by step if you can so I can better understand it.
Click here to see answer by checkley71(8405)

Question 40717: if y varies directly as x and inversely as z, and y=40 when x=20 and z=2, find y when x=60 and z=4 (two parts to this problem)
please solve step by step so I understand it. thank you
Click here to see answer by Earlsdon(4900)

Question 40707: simplify:
y-z/a+b times a^2-b^2/z-y
please do it step by step so I understand it
Click here to see answer by junior403(76)

Question 40737: Multipy the rational expression. Simplify the result.
(x^2 + 2x - 3/x + 2) * (x^2 + 2x/x^2 - 1)
Click here to see answer by gsmani_iyer(161)

Question 40811: a) If this means f(x) = = then,
f(-x)= = = f(x)
So f(x) is even function.
b) If this means f(x) = = then,
f(-x) = = not equal to f(x)
So f(x) is odd function.
Next time before you put a question make sure that your use of brackets does not initiate any controversy.
Click here to see answer by psbhowmick(456)

Question 40806: Let f(x)=x^2-25 and g(x)=x+5, find a)(f-g)(x) and b)(f/g)(x)
Click here to see answer by fractalier(1804)

Question 40854: {{h(x)=2^x}}
or
or = log(h(x)) to the base 2
Click here to see answer by psbhowmick(456)

Question 40910: simplify:
6 over 2x-12 minus 20 over x^2-4x-12
Please explain in detail so I understand Thanks.
Click here to see answer by Nate(3495)

Question 40910: simplify:
6 over 2x-12 minus 20 over x^2-4x-12
Please explain in detail so I understand Thanks.
Click here to see answer by stanbon(26367)

Question 40940: Write an equation for each conic section. Then sketch the graph.
circle with center (-6,9) and radius 9
Click here to see answer by fractalier(1804)

Question 40940: Write an equation for each conic section. Then sketch the graph.
circle with center (-6,9) and radius 9
Click here to see answer by stanbon(26367)

Question 39858: My friend and I are trying to see who has the right answer to some problems. Could you please explain to us how to solve them the right way.
a. The monthly revenue achieved by selling x boxes of candy is calculated to be $ x(5-0.05x). The wholesale cost of each box of candy is $1.50.
How many boxes must be sold each month to maximize profit?
What is the maximum profit?
(Revenue=Cost+Profit)
b. Bob has 3000ft of fencing available to enclose a rectangular field.
1. Express the area A of rectangle as a function of x where x is the length of rectangle.
2. For what value of x is the area largest?
3.What is the maximum area?
Thank you so much! Now we will see who is right:)
Click here to see answer by psbhowmick(456)

Question 40809: Determine the interval over which f(x)= the absolute value x-4 - the absolute value x+5 is a constant function.
Click here to see answer by psbhowmick(456)

Question 41521: Find all real solutions to the equation

Click here to see answer by Nate(3495)

Question 41605: SAS Car Manufacturing estimates that its profit P in hundreds of dollars is P = -2x^2 + 20x -2 where x is the number of units produced in thousands. How many units must be produced to obtain maximum profit?
Thanks for any help to understand this.
Click here to see answer by stanbon(26367)

Question 41606: Identify the right-hand and left-hand behavior of the graph of the polynomial function: f(x) = 6x^4 – x^2. When I graph this I get a "U" shape (-1,4) (0,0),(1,4). I can see that the "y" continues on line "4" is that the behavior of the left and right hand.
Thanks for any help

Click here to see answer by stanbon(26367)

Question 41608: An enclosed gas exerts a pressure P on the walls of its container. This pressure is directly proportional to the temperature T of the gas. If the pressure is 2 pounds per square inch when the temperature is 280 K, identify the appropriate direct variation equation.
Click here to see answer by psbhowmick(456)

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