Questions on Algebra: Functions, Domain, NOT graphing answered by real tutors!

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Question 576745: Let p, q, and r be three different odd prime numbers. What are LCM (2pq, 2pr, 2qr) and GCF (2pq, 2pr, 2qr)? Justify your answers.
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Question 577405: FIND THE DOMAIN OF F(x)=-3x(x+2)(x-7)^3(x+5)^2
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Question 577413: find domain of (fg)(x) when f(x)=square root of 6x+2 ang g(x)=square root of 9x-2
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Question 577371: Given a function, H(x), explain how to find its components, f(x) & g(x), such that f(g(x))=H(x). Also demonstrate by providing an example and working it out step by step. Explain well and show all work.
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Question 577888: x^2+4x+6 i need to find vertex
Click here to see answer by jim_thompson5910(35256)

Question 577936: How Do I Do This?
f(x) = 3x - 9
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Question 578188: natural domain of the square root of 5+4x-x^2
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Question 578252: The perimeter of a square is 4 times the length of one side. Write a function using two variables to represent the situation. Find the perimeter if a side measures of 6 feet.
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Question 578513: Find the domain of the function. sqrt(x-7)/2x+5. Write your answer as an interval or union of intervals.
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Question 578734: I know what I pay for a case of water and I know what a distributor will sell it for. How do I calculate how much the distributor must buy it from me for if the distributor needs a 25% markup, 30% markup or 35% markup?
Click here to see answer by scott8148(6628)

Question 578891: 1. For what value of x is the function f(x) = 1 / (-6x-5) undefined? Explain why showing detailed calculations.

2. Provide a function in one variable for you classmates. Provide two values for the function variable that can be used by your classmates to evaluate the function.
Click here to see answer by richard1234(7193)

Question 579168: I need help trying to figure out the min and max of a function
x^3-x
Click here to see answer by richard1234(7193)

Question 579738: Hello. I need help with these questions please. I need asap. Thank you. If you can, please explain how you got the answer. Thanks
1. Find the slope and the y-intercept of the line. Write fractional answers in lowest terms.
4y+7x+9= 14+7x
The slope is:
The y-intercept is (0, )
2. Find the slope if it exists of the line containing the pair of points.

(-10.3, 11.8) and (-9.9,4.3)
The slope is:

3. Find the slope and the y-intercept.

f(x)= -9x-7
The slope is:
The y-intercept is (0, )

4. Find an equation of the line having the given slope and containing the given point. Express your answer in the form x=a, y=b, or y=mx+b
m = -4,(9,0)
The equation of the line is y=

5. Write an equation of the line containing the given point and parallel to the given line. Express your answer in the form y=mx+b

(-4,9);9x=4y+7
The equation of the line is y=

Click here to see answer by mananth(16946)

Question 579839: 3x+2(x+10)+5=7(x+5)-3x

Click here to see answer by Maths68(1474)

Question 581041: What is the domain of f(x)=6x-21

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Question 581310: 3+4+9X+10X

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Question 581648: Find the vertex, the line of symmetry, and the maximum or minimum value of f(x).
f(x)=1/2(x+3)^2+6
Click here to see answer by jim_thompson5910(35256)

Question 581939: Can you help me find the domain of the function 5(x+4)/x^2+x-12
Click here to see answer by jim_thompson5910(35256)

Question 581944: can you help me simplify (x+2)(x+2)(x-1)is its x^3-x^2+4x+4? Not sure how to simplify when its three terms, i just know how to foil two
Click here to see answer by jim_thompson5910(35256)

Question 581981: How do I find the domain
f(x) = x^(4) + 2x^(3) + 3x + 1
Click here to see answer by jim_thompson5910(35256)

Question 582243: What is f(-2)?
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Question 582592: what is domain for f(x)=x-2 divided by 3x+4
Click here to see answer by nyc_function(2741)

Question 582975: " Given: " f(x) = 3x - 5 " and " g(x) = -5x + 2
1. " Find " f[g(-1)]
2. " Find " g[f(4)]

Click here to see answer by stanbon(75887)

Question 583423: F(x)=3^2+7x-9
Click here to see answer by unlockmath(1688)

Question 584189:
What is the process necessary to predict what the graph of the function f(x) = x^4 - 10x^2 + 9 will look like? Use algebra and graphing to confirm all of your predictions. Make sure you explain each step!

Click here to see answer by JBarnum(2146)

Question 584355: f=(-4y-7) find f=(y+h)
Click here to see answer by solver91311(24713)

Question 584216: I have a tunnel 20ft. in diameter, it has the capacity to store 38 million gallons of water and delivering flow by gravity to an existing water treatment plant. How long is the tunnel
Click here to see answer by ankor@dixie-net.com(22740)

Question 584823: is the function y=3x+4 a proportional function?

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Question 585085: What would be an exact and approximate solution to 3 decimal places for ysqr-2y+1=9
Click here to see answer by Alan3354(69443)

Question 585055: NEED A LITTLE HELP THIS MORNING
Let f(x) = 3x. Find f( 3) and f(1/3).
and
Solve the equation 1296 x = 6
last but not least
Simplify the expression. 3 log 3 (6x � 4)
Thanks
S
Click here to see answer by Alan3354(69443)

Question 585084: What would be an exact and approximate solution to 3 decimal places for x^2-5x+3=0
Click here to see answer by richwmiller(17219)

Question 585390: The range of the following relation: R: {(3, −2), (1, 2), (−1, −4), (−1, 2)} is
1. {−1, 1, 3}
2. {−1, −1, 1, 3}
3. {−4, −2, 2, 2}
4. {−4, −2, 2}
Click here to see answer by jim_thompson5910(35256)

Question 585393: If f(x) = x + 4, find f(3).
a. 1
b. 7
c. -1
d. 12
Click here to see answer by jim_thompson5910(35256)

Question 585520: Express using positive exponents x-4
Click here to see answer by Alan3354(69443)

Question 585520: Express using positive exponents x-4
Click here to see answer by Earlsdon(6294)

Question 585527: Write a quadratic equation in the variable x having the given numbers as a solution. Type the equation in standardform. ax sqr + bx +c =0 for the only solution being 6
Click here to see answer by Alan3354(69443)

Question 585525: Is 18x sqr + 4x -1 =0 a real solution, two real solution, or have two imaginary solutions?
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Question 585526: If the sides of a square are lengthened by 7cm, the erea becomes 12cm sqr. Find the length of aside of the original square.
Click here to see answer by Alan3354(69443)

Question 585611: Find the range given the domain: y= 6 over x + 1 Domain: {-2, 3, 6}
Click here to see answer by jim_thompson5910(35256)

Question 585611: Find the range given the domain: y= 6 over x + 1 Domain: {-2, 3, 6}
Click here to see answer by stanbon(75887)

Question 585875: State the domain of the following function. y=9x+14

Click here to see answer by jim_thompson5910(35256)

Question 585997: f(x)=x+4
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Question 586037: Rewrite the following expression with positive exponents. (15xy) to the -6/7 power
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Question 586039: Exspress using a positive exponent. x to the -4 power.
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