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

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Question 159929: Find the slope and the y-intercept of the line. Write fractional answers in lowest terms.
3y+7x+5=9+7x
The slope is _____
The y-intercept is (0,______)

Click here to see answer by checkley77(12844)

Question 160119: can someone please help me with this problem:
Evaluate the function at the given value of the independent variable and simplify.

f(x) = x^3 + 3 / x^2 - 3 ; f(3)
Click here to see answer by checkley77(12844)

Question 160176:
Determine
a. -3
b. -6
c. -8
d. -14
Click here to see answer by Edwin McCravy(20056)

Question 160191: Find the slope and the y-intercept
5 - 1/4 y= 4x
The slope is ____
The y-intercept is (0,__)
Click here to see answer by nerdybill(7384)

Question 160186: Find the function value:
F(x) = x (to the third power)
f(-3) = _________
Click here to see answer by Fombitz(32388)

Question 160223: Find an equation of the line containing the given pair of points.
(4,3) and (12,4).
What is the equation of the line?
y= ______
Click here to see answer by checkley77(12844)

Question 160224: Find the slope, if it exists, of the line containing the pair of points.
(1,10) and (8,-8)
The slope m=-18/7

Click here to see answer by checkley77(12844)

Question 160222: The function p(d)=1+d/33, gives the pressure, in atmospheres (atm), at a depth d in the sea (d is in feet). Note that p(0)=1 atm, p(33)=2, and so on. Find the pressure at 110 ft.
The pressure at 110 ft. is _____ atm.
Click here to see answer by gonzo(654)

Question 160169: Write an equation of the line containing the given point and parellel to the given line. Express your answer in the form y=mx+b.
(-6,2);7x=3y+2
The equation of the line y = _________
Click here to see answer by checkley77(12844)

Question 160171: Find an equation of the line having the given slope and containing the given point. Express your answer in the form y=b or y=mx+b.
m=0, (0,-3)
The equation of the line y= ________
Click here to see answer by Alan3354(69443)

Question 160217: -3 over 4 S - 3 = 1 over 3 S + 1 over 4
Click here to see answer by midwood_trail(310)

Question 160216:
X varies directly with Y. Find the constant of variation if X=4 and Y=16

X varies directly with Y. Find the constant of variation If X=4 and Y=3

x
Click here to see answer by midwood_trail(310)

Question 160187: Find the domain of the function:
g(x) = 6/8-7x

Click here to see answer by midwood_trail(310)

Question 160120: can someone please help me with this question:
Is this function always increasing, decreasing, remaining constant, or there is no way to know ?
y = 0(-x + 1)
Click here to see answer by gonzo(654)

Question 160126: can someone please help me with this problem:
Evaluae the function at the given value of the independent variable and simplify.
f(x) = x^3 + 3 / x^2 - 3; f(3)
a. 2
b. 10/3
c. 5
d. 9/2
Click here to see answer by gonzo(654)

Question 160245: I need to solve for x in this equation: 3.58x-37.4=.23x+8.32. What does x equal?
Click here to see answer by midwood_trail(310)

Question 160245: I need to solve for x in this equation: 3.58x-37.4=.23x+8.32. What does x equal?
Click here to see answer by Alan3354(69443)

Question 160244: I need to solve for x in this equation: -3x+7=2y+3. What does x equal?
Click here to see answer by midwood_trail(310)

Question 160243: I must solve for y in the equation: y/5-7=-2x. What does y equal.
Click here to see answer by Alan3354(69443)

Question 160243: I must solve for y in the equation: y/5-7=-2x. What does y equal.
Click here to see answer by midwood_trail(310)

Question 160241: I have to solve for t in the equation: 8-9t=21t-17
Click here to see answer by midwood_trail(310)

Question 160123: can someone please help me with this problem:
Determine whether the relation is a function.
{(-6,-3),(-6,-9),(2,-6),(4,4),(8,-3)}
a. function
b. not a function
Click here to see answer by midwood_trail(310)

Question 160122: can someone please help me with this problem:
Is this a function:
x + y = 12

a. yes
b. no
c. it depends
d. none of the above
Click here to see answer by midwood_trail(310)

Question 160117: can someone help me with this problem:
Determine whether the equation defines y as a function of x.
y = check sign(4x - 3)

a. y is a function x
b. y is not a function of x
Click here to see answer by midwood_trail(310)

Question 160121: can someone help me with this problem:
Is this a function:
x^2 + y^2 = 36

a. yes
b. no
c. it depends
d. none of the above
Click here to see answer by midwood_trail(310)

Question 160124: can someone please help me with this problem:
Give the domain and range of the relation.
{(-4,-7),(-1,-4),(6,8),(6,-8)}

a. domain = {6,-4,-1,-6}; range = {8,-7,-4,-8}
b. domain = {8,-7,-4,-8}; range = {6,-4,-1}
c. domain = {6,-4,-1,16}; range = {8,-7,-4,-8}
d. domain = {6,-4,-1}; range = {8,-7,-4,-8}
Click here to see answer by oscargut(2103)

Question 160250: Give the function K described by k(x)=x+10, find each of the following:
k(0)=
k(-17)=
k(-4)=
k(11)=
k(d+17)=
Click here to see answer by oscargut(2103)

Question 160280: find the distance between (4, -3) and (2, 5)
Click here to see answer by nerdybill(7384)

Question 160322: How do you factor completely: 5x^2 - 10x? What's the answer?
Click here to see answer by ankor@dixie-net.com(22740)

Question 160325: How do you COMPLETELY FACTOR: x^2 + 10x + 21? whats the factored answer?
Click here to see answer by checkley77(12844)

Question 160321: How do you completely factor: x^2 + 12xy + 35y^2? What's the answer?
Click here to see answer by KnightOwlTutor(293)

Question 160324: How would you COMPLETELY FACTOR: a^2 - 10ab + 3b^2?

Click here to see answer by Edwin McCravy(20056)

Question 160318: 3x^2 + 17x + 10? Whats the answer?
Click here to see answer by Edwin McCravy(20056)

Question 160318: 3x^2 + 17x + 10? Whats the answer?
Click here to see answer by Electrified_Levi(103)

Question 160320: How do factor completely: 5y^8 - 125? What's the answer?
Click here to see answer by checkley77(12844)

Question 160495: 2x^2+x
____________
3x-2
Click here to see answer by checkley77(12844)

Question 160520: Use the Factor Theorem to determine whether x - c is a factor of the following function. Write in the form f ( x ) = (x - c) (quotient) if f( x ) = -4x^3 + 5x^2 + 8; c = -2
Click here to see answer by Edwin McCravy(20056)

Question 160512: f(x)=5x-1

f(x-h)-f(x)
___________
h

Click here to see answer by Fombitz(32388)

Question 160632: Find the domain of the function.

Click here to see answer by Edwin McCravy(20056)

Question 160702: Rewrite the equation so y is a function of x.
-7x + y = 8
Click here to see answer by nerdybill(7384)

Question 160896: Find the mean, median and mode for the data listed....
60, 68, 72, 78, 70, 69, 70, 71
Click here to see answer by Edwin McCravy(20056)

Question 161331: finding funtion values

f(0) =3x�-2x +8
Click here to see answer by KnightOwlTutor(293)

Question 161541: how do i solve this problem (there are no numbers given)
This is the exact problem
Solve for B
A=1/2*B*H
Click here to see answer by Earlsdon(6294)

Question 161544: I'm having a hard time setting up this equation...
A manufacturer finds that for the first 300 units of its product that are produced and sold, the profit is $60 per unit. The profit on each of the units beyond 300 is decreased by $0.10 times the number of additional units sold. What level of output will maximize profit?
I can solve these when I am givin the function but I need help setting this one up. Then I will be more well equipped to solve these in the future.
Thanks to all the tutors out there, your help is greatly appreciated.
Click here to see answer by Alan3354(69443)

Question 161593: how can you rewrite this equation so that y is a function of x:
5(y-3x)=8-2x
Click here to see answer by nerdybill(7384)

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