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

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Tutors Answer Your Questions about Rational-functions (FREE)


Question 118327: let f(x)=|x|+2x. find f(-2)

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Question 118327: let f(x)=|x|+2x. find f(-2)

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Question 118328: evaluate |-2| - |-2|

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Question 118328: evaluate |-2| - |-2|

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Question 118325: can you help me
this is a word problem

becky wants to buy a computer that costs $1590. if becky earns $6.25 per hour, what is the minimum number of whole hours that she must work to earn enough money to buy the computer?

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Question 118319: how do u graph and what would the graph look like for 2y is greater than -1
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Question 118320: classify 3y=4x-1 as inconsistent, dependent, or independent
x=4/3y

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Question 118318: i do not know if this was the right topic for this question but i guessed.
i am sorry but this is a matching question so there are 4 questions in one kind of.
match each statment on the left with a solution on the right.
1. |a-5|less than 3 a. a=2 or a=8
2. |a-5| greater than 3 b. a is less than 2 or a is greater than 8
3. |a-5|equal to 3 c. a is greater than 2 and a=8
4. |a-5|less than -3 d. there is no solution

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Question 118318: i do not know if this was the right topic for this question but i guessed.
i am sorry but this is a matching question so there are 4 questions in one kind of.
match each statment on the left with a solution on the right.
1. |a-5|less than 3 a. a=2 or a=8
2. |a-5| greater than 3 b. a is less than 2 or a is greater than 8
3. |a-5|equal to 3 c. a is greater than 2 and a=8
4. |a-5|less than -3 d. there is no solution

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Question 118161: simplify (2x to the power of -2 times y to the power of 3 over x to the power of 2 times y to the power of -3) to the power of -1
a. 2
b. 2x to the power of 4 over y to the power of 6
c. 1 over 2
d. x to the power of 4 over 2y to the power of 6

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Question 118334: solve and graph 6(x-4)is greater than or equal to 6+x
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Question 118332: solve |3x+12|=18
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Question 118330: if a varies directly as band a=16 when b=-8, what is b when a=4
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Question 118331: solve |x-4|=9
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Question 118333: solve and graph on a number line -x over 4 is greater than 3
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Question 118339: graph the ordered pairs below, and describe the correlation for the data as positive, negative, or none.
(10,6) (20,8) (20,12) (30,16) (40,18) (50,21) (60,32) (80,41) (100,46) (110,60) (120,58)

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Question 118340: let f(x)=2x+1 and g(x)=3x to the power of 2. find FoG
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Question 118337: graph the system
y is less than or equal to x+1
y is greater than or equal to 2x-1

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Question 118428: solve the literal equation ax-b over 2=c for x


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Question 118429: let f(x)=2x+1 and g(x)=3x to the power of 2. find Fog
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Question 118430: draw the number line graph which is the solution of |x-2| less than 5
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Question 118435: 1) 2^5/2 - 2^3/2=? This is the First One

2) x^2-x-6/x^2-4=? This is the Second One
Can Plz send me solution To this Problems it is really Urgent

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Question 118421: this is in algrebra 1 prentice hall mathematics book in chapter 5 section 4
i want to write a function rule to the cost in dollars of painting dollar bills when it costs 3.8 cent to print a dollar bill

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Question 118520: use the quadratic formula to solve
-16y^2 -8y + 3 =0

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Question 118631This question is from textbook Algebra 1/2
: The ratio of the number who were puissant to the number who were diffident was 2 to 5. If there were 2450 who were either puissant or diffident, now manu were puissnat?This question is from textbook Algebra 1/2

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Question 118648: quadratic solve by factoring out
6x^2 +12x =0

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Question 118979: Is (x+2) the same as (2+x)?
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Question 118982: How can this fraction be reduced to lowest terms? 18x^2+21x (on top) 6x+7 (on bottom). Can this be reduced? thanks
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Question 118880This question is from textbook Elementary and Intemediate Algebra
:
x+3 divided by x < or equal to -2
This question is from textbook Elementary and Intemediate Algebra

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Question 118880This question is from textbook Elementary and Intemediate Algebra
:
x+3 divided by x < or equal to -2
This question is from textbook Elementary and Intemediate Algebra

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Question 119015:
45xy-60x

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Question 119006: 45xy-60x
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Question 119043: (b^2-4bc+3c^2)/(b^2-8bc+15c^2) x (b^2+9bc+18c^2)/(b^2+5bc-6c^2)
This is for the EOC review. I have let my mother look at it, and she used to be a high school math teacher, and she is confused by it. I have thought about as much as possible, looked it up in my notes, and I can't find anything about how to solve it.

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Question 119061: Kelly has just enough money to rent a canoe for 2.5 hours. How far out on the lake can she paddle out and return if she paddles out at a rate of 3 km/hr and returns at a rate of 2 km/hr.
I can figure this out logically, but can't figure out how to write the equation

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Question 119169: insert >,<, or = to make the sentence true.
19.42 square root of 289

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Question 119189: 9X^2+9=0
A.-1,1
B.-1i,1i
c. 3i,3i
d. -9i,9i

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Question 119189: 9X^2+9=0
A.-1,1
B.-1i,1i
c. 3i,3i
d. -9i,9i

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Question 119189: 9X^2+9=0
A.-1,1
B.-1i,1i
c. 3i,3i
d. -9i,9i

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Question 119187: The winner of an election for calss president won by a vote of 8 to 5 with 992 votes. How many votes did the loser get?

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Question 119185:
to determine the number of deer in a game preserve, a game warden catches 415 deer, tags them, and lets them loose. Later, 140 deer are caught; 28 of them are tagged. Estimate the number of deer in the preserve.

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Question 119220: Perform the indication functions.
14x-7/x^2+3x-4 * x^2+6x+8/2x^2+5x-3 / x^2+2x/x^2+2x-3

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Question 119225This question is from textbook Algebra 2
: It costs (20 + x) dollars to produce (x) number of products. If the products sell for (300 - 2x) dollars each, how many products should be produced each month to maximize profit?This question is from textbook Algebra 2

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Question 119412: Use the quadratic formula to solve the equation.
-2x^2+x+8=0
Solve the equation.
x^2+18x+81=25
Simplify (square root of -175) using the imaginary number i.

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Question 119377: 12x^3-32x^2+25x-6=0
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Question 119453This question is from textbook algebra 2
: dont understand

3xy^5 * y^2
_____ ____
x^2y^3 6x
This question is from textbook algebra 2

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