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

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Question 131529: its me again please help me thank you for help
Use long division to divide by
Click here to see answer by Edwin McCravy(2922)

Question 131680:
factor, solve and graph f(X)=x^3-27x-54
Click here to see answer by checkley71(8405)

Question 131679: factor and solve
f(X)=x^3-27x-54
Click here to see answer by checkley71(8405)

Question 131835: How do you solve this so I can understand f(x)=-2x^2+2x+6
Click here to see answer by stanbon(26297)

Question 131835: How do you solve this so I can understand f(x)=-2x^2+2x+6
Click here to see answer by TakeATuition.com(57)

Question 131835: How do you solve this so I can understand f(x)=-2x^2+2x+6
Click here to see answer by edjones(3299)

Question 131993: Can you help me solve this problem?
(2/5w-10)-(3/2w-4)
I factored, found the LCD and arrived at the answer -11/10(w-2)
Is this correct?
Thanks for your help!
Click here to see answer by rapaljer(3625)

Question 131998: Can you help me with this problem please?
(3/x^2+4x+3)-(1/x^2-9)
I am having trouble with the common denominator part. The answer I got was:
2x-10/(x-3)(x+3)(x+1) Is this correct?
Thanks SO much!!!
Click here to see answer by TakeATuition.com(57)

Question 132000: Can you help me with this problem? Again, I am having touble with the common denominator.
(4y/y^2+6y+5)+(2y/y^2-1)
Thanks!
Click here to see answer by rapaljer(3625)

Question 132091: Simplify:
(2x^3+4)/(x^2-4x+12) + (3x^2+5x)/(x^2-3x+16)
Click here to see answer by TakeATuition.com(57)

Question 132134This question is from textbook intermediate algebra
: . Simplify the rational expression:
2x2 – 12x + 18
2x2 – 18
This question is from textbook intermediate algebra

Click here to see answer by TakeATuition.com(57)

Question 132094: Simplify:
(2x^3+4)/(x^2-4x+12) + (3x^2+5x)/(x^2-3x+16)
Click here to see answer by TakeATuition.com(57)

Question 132093: Simplify:
(2x^3+4)/(x^2-4x+12) + (3x^2+5x)/(x^2-3x+16)
Click here to see answer by TakeATuition.com(57)

Question 132092: Simplify:
(2x^3+4)/(x^2-4x+12) + (3x^2+5x)/(x^2-3x+16)
Click here to see answer by TakeATuition.com(57)

Question 132135This question is from textbook intermediate algebra
: 2. Divide:
x2 – 9x + 20 ÷ x2 – 16
3x – 15 9x + 36
This question is from textbook intermediate algebra

Click here to see answer by jim_thompson5910(13794)

Question 132252: The expression for figuring a students average test score is p/t, where p is the total points earned on all the tests, and t is the number of tests. Find the students average when 486 points are earned on 6 tests.

OH please help do not have a clue about this one.
Click here to see answer by edjones(3299)

Question 132317: (2x^2+x-3) divided by (x-1)
Click here to see answer by jim_thompson5910(13794)

Question 132192: Solve: to transport 60 tones of load a certain number of trucks were required.
since the road was in bad condition each truck load was reduced by 0.5 ton . Therefore another 4 trucks werenecessary
to carry out this job.How many trucks were required originally?
Click here to see answer by josmiceli(3013)

Question 132441: Discuss completely (as in the textbook) and draw the graphs of the following rational functions.

1.
Click here to see answer by jim_thompson5910(13794)

Question 132453: Discuss completely (as in the textbook) and draw the graphs of the following rational functions.

Click here to see answer by jim_thompson5910(13794)

Question 132453: Discuss completely (as in the textbook) and draw the graphs of the following rational functions.

Click here to see answer by edjones(3299)

Question 132503: What does the graph of the inverse of the parent function of exponential decay look like? an equation would work.. please help :]
Click here to see answer by jim_thompson5910(13794)

Question 132602This question is from textbook Algebra II

:
I am trying to solve this problem however I do not even know how to begin to work it out. How do I solve this problem?This question is from textbook Algebra II

Click here to see answer by jim_thompson5910(13794)

Question 132602This question is from textbook Algebra II

:
I am trying to solve this problem however I do not even know how to begin to work it out. How do I solve this problem?This question is from textbook Algebra II

Click here to see answer by solver91311(5072)

Question 132597:
HOW DO U DO THIS RADICAL SIGN OVER 48X^2YZ^2
Click here to see answer by checkley71(8405)

Question 132591:
simplify the rational expression using factoring and cancellation
(^ = squared)
1. x^2-9 / x-3
2. x^2-x-12 / x-4
3. x^2-4 / x-1
4. 6x^2+x-12 /3x-4
Click here to see answer by checkley71(8405)

Question 132683: My teacher is making us do this project where we have to think of word problems for each of the functions. I cannot think of any for cubic or rational! I thought i did this one right for rational but i'm not sure. please help me! my project is due thursday!!!
2. Jessica decides she wants to build a sandcastle in the shape of a dolphin. It takes Jessica 65 minutes to make this sandcastle and it takes Lucas, her boyfriend, 25 minutes to make the sandcastle alone. How long will it take them to make the sandcastle if they work together?
Click here to see answer by stanbon(26297)

Question 132703This question is from textbook Algebra 2

: show me how to solve
1/1+c - 1/2+c = 1/4This question is from textbook Algebra 2

Click here to see answer by stanbon(26297)

Question 132702This question is from textbook Algebra 2

: show me how to solve
1/1+c - 1/2+c = 1/4This question is from textbook Algebra 2

Click here to see answer by stanbon(26297)

Question 133003: Find the vertex, line of symmetry, maximum/minimum value and then graph the function.
f(x) = 1/2 (x+4)^2 + 6
I'm thrown off by the fractions, and the whole equation. Can someone help me figure out how to solve this type of problem.
Click here to see answer by solver91311(5072)

Question 133036: a 10-gallon container of fruit punch is 20% water. How many gallons of a punch that is 8% water must be added to make a punch that is 12% water?
this is the equation that i had but i could not complete it
(20%*10gal)+(8%*Xgal)=12%(_______)gal
i would appreciate it if you could help me thanks
Click here to see answer by edjones(3299)

Question 133081: write the ratio in simplest form.
5 3/5 to 2 1/10=
28/5 to 21/10=
28/5 divide 21/10=
28/5 x 10/21 (i reduced)=
9/5 x 2/7= 18/7 = 2 4/7
can ratios be reduced and can an answer be a mixed number?

Click here to see answer by vleith(1977)

Question 133194: How much water must be evaporated from 400 gallons of a 14% saline solution to get a 40% saline solution?
Click here to see answer by vleith(1977)

Question 133199This question is from textbook prentice hall mathematics algebra 2
: please help me solve this equation:
one pump can fill a tank with oil in 4 hours. a second pump can fill the same tank in 3 hours. if borh pumps are used at the same time, how long will they take to fill the tank.This question is from textbook prentice hall mathematics algebra 2

Click here to see answer by vleith(1977)

Question 133202This question is from textbook prentice hall mathematics algebra 2
: Please help me solve this equation.
you are planning a school field trip to a local theater. it costs $60 to rent the bus. each theater tickets costs $5.50.
a. write a function c(x) to represent the cost per student if x students sign up.

b. how many students must sign up if the cost is to be no more than $10 per student.This question is from textbook prentice hall mathematics algebra 2

Click here to see answer by vleith(1977)

Question 133200This question is from textbook prentice hall mathematics algebra 2
: Please help me solve this equation:
anita and fran have volunteered to contact every member of their organization by phone to inform them of an upcoming event. fran can complete the calls in six days if she works alone. Anita can complete them in foyr days. how long will they take to complete the calls working together?This question is from textbook prentice hall mathematics algebra 2

Click here to see answer by vleith(1977)

Question 132962: The score on the entrance test for a well known law school has a mean score of 200 points and a standard deviation of 50 points. At value should the lowest passing score be set if the school wishes only 2.5% of those taking the entrance test to pass?
Click here to see answer by scott8148(3385)

Question 133347: f(x)=x^3-5x^2-14x
f(x)=x^3+4x^2+9x+36
f(x)=x^4+x^3-2x^2+4x-24
Click here to see answer by jim_thompson5910(13794)

Question 133347: f(x)=x^3-5x^2-14x
f(x)=x^3+4x^2+9x+36
f(x)=x^4+x^3-2x^2+4x-24
Click here to see answer by vleith(1977)

Question 133351: describe the end behavior of the graph of the polynomial function.then evaluate the function for x=-4,-3,-2
y=x^4-2x^2-x-1
y=-3x^3-6x^2
y=(x-3+)(x+1)(x+3)
need some majorr help!
thanks!
Click here to see answer by stanbon(26297)

Question 133369This question is from textbook College Algebra
: Let f(x) = ½ x + 5 and g(x) = 2x - 1
find (g ◦ f)(x)
Here is where I am at with this one:
f=1/2x+5 and g=2x -1
and I'm stuck from here. Any help would be greatly appreciated. Thank you.
DesiraeThis question is from textbook College Algebra

Click here to see answer by jim_thompson5910(13794)

Question 133494: 1) How long will it take for $5000.00 to grow to $15,000.00 if the annual interest rate over that time is 4.85% and continuous compounding is used?
Click here to see answer by jim_thompson5910(13794)

Question 133501: 2) $5000 is invested for 10 year compounds quarterly, at the end of the 10 years the amount as grown to $11,500. What is the annual interest percentage rate to the rounded to the nearest 100th?

Click here to see answer by jim_thompson5910(13794)

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