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

Tutors Answer Your Questions about Functions (FREE)

Question 184279: How do you find the slope of:
y-2=0
Click here to see answer by MathGuyJoe(20)

Question 184756: Find the slope-intercept form of the equation through point (2,13) and the slope is m=-1/2
thanks
Click here to see answer by stanbon(75887)

Question 184759: PLEASE HELP ME>>>>>>>>
If f(x)=x^2-3x-8, then f(10)=
Click here to see answer by Alan3354(69443)

Question 184892: At work one day, Erica Franz recieved 14 packages. Speedy Delivery delivered twice as many as Ralphs Express, while Ralphs Express delivered two more than SendQuick Package service. How Many Packages did each service deliver to Erica?
Click here to see answer by edjones(8007)

Question 184997: create an equation of a nonlinear function and provide two inputs? Please help
Click here to see answer by SavannahN95(2)

Question 185073: identify the vertex and the intercepts. F(x)= 1/4 (x^2 -16x +32), g(x)+ 1/2 (x^2 + 4x -2)
Click here to see answer by stanbon(75887)

Question 185101: find all real zeros of the function algebraically ie .
analyze the graph of the function algebraically ie .
Click here to see answer by ZeratuelX(5)

Question 185290: find the domain of each of these and show how you got it. h(x)=3x^2+5-3
m(x)=5/x^2-9 1(x)=5x-4 g(x)=7x+4/x+4
Click here to see answer by vleith(2983)

Question 185368: hello, can u help me to figure out the one that is not a function:
A) {(0,-1),(1,5),(-2,-4),(3,9),(5,9)}
B) {(0,-1),(1,5),(-2,-4),(3,9),(3,5)}
C) {(0,-1),(1,5),(-2,-4),(3,9),(9,3)}
D) {(0,-1),(1,5),(-2,-4),(3,9),(-3,-9)}
Click here to see answer by stanbon(75887)

Question 185453: Given f(x)=8x-9;D={Reals},g(x)=x-4;D={Integers}, find the algebraic difference
{f-g}(x).
I worked it out to =7x-5.
Am I correct?
Click here to see answer by jim_thompson5910(35256)

Question 185492: # 34
Solve for x
(x+1)^2+2(x-2)=(x+1)(x-2)
I have been stuck on this problem for hours. I keep working it but it just doesn't seem to come out right.
The answer I get is x= -2/5
I'm not sure what I keep doing wrong. Please help. Thanks
Click here to see answer by Alan3354(69443)

Question 185493: #46
Solve for x
3/x+1=3/x-1
I just can't seem to get this one to work out.
I think the answer is x^2-x-3=0
Thanks for your help.
Click here to see answer by jim_thompson5910(35256)

Question 185493: #46
Solve for x
3/x+1=3/x-1
I just can't seem to get this one to work out.
I think the answer is x^2-x-3=0
Thanks for your help.
Click here to see answer by vleith(2983)

Question 185525: p(x)=x^2-2x+10
what is the domain?
Click here to see answer by stanbon(75887)

Question 185526: p(x)=x^2-2x+10
what is the domain of p?
Click here to see answer by jim_thompson5910(35256)

Question 185699: Please help. Solve. x^2 + 16x + 69 = 6
Click here to see answer by stanbon(75887)

Question 185700: Please help Find the axis of symmetry for....
y = x^2 � 9x + 3
Click here to see answer by stanbon(75887)

Question 185706: Find the perfect square trinomial whose first two terms are q^2 + 3q.
???
Click here to see answer by stanbon(75887)

Question 185707: If an object is given an initial velocity of v0 feet per second from a height of S0 feet, then its height S after t seconds is given by the formula
S = -16t^2 +v0t + S0. A rock is thrown into the air at 26 feet per second from a height of 13 feet. How long does it take to reach the earth?
?

Click here to see answer by stanbon(75887)

Question 185708: Given the equation p = q^2 + 5q +2. Find the values of q corresponding to
p = -2.
Click here to see answer by nerdybill(7384)

Question 185744: Please help me solve this problem. My mom and I have both tried.
If f(x) = x^2 - 2x + 4, find f(3m - 4) + 3.
Thanks so much!!
Click here to see answer by feliz1965(151)

Question 185698: Please help. x^2 + 7 = 43
Click here to see answer by awang1996(50)

Question 185902: i can not figure out how the steps are donein these if you could please show me one example / ordered pairs..... y=2x+5:(8, ),(-1 ),( ,-1)= thankyou
Click here to see answer by Alan3354(69443)

Question 186021: If 3 times Jane�s age, in years, is equal to 8 times Beth�s age, in years, and
the difference between their ages is 15 years, how old are Jane and Beth?
Click here to see answer by jojo14344(1513)

Question 186164: why is slope explained as the 'change in y' over the change in x
Click here to see answer by checkley77(12844)

Question 186245: how do i find the domain of f(x)= 1/x^2+9?
Click here to see answer by nerdybill(7384)

Question 186166: i have to explain, using a complete sentence, how you can tell whether a graph has a positive slope or a negative slope just by looking at the graph
Click here to see answer by ankor@dixie-net.com(22740)

Question 186538: find the domain of:
f(t)=log(t-5)
Click here to see answer by edjones(8007)

Question 186246: how do i find the 4th degree polynomial with real coefficients that has zeros of -2, 3, 1+4i, and 1-4i?
Click here to see answer by ankor@dixie-net.com(22740)

Question 187133: How do I find the zeroes of a function of f(x)= -x squared plus 3x plus 6 ?
Click here to see answer by jim_thompson5910(35256)

Question 187593: simplify
(6+sqrt(7)) (6-sqrt(7))
Click here to see answer by checkley77(12844)

Question 187590: Solve
2x^-7x-2=0
Click here to see answer by jim_thompson5910(35256)

Question 187597: 2x+5y=10
what are x and y?
Click here to see answer by Alan3354(69443)

Question 187687: true or false
x^-18x+81= (x-9)(x-9)
Click here to see answer by jim_thompson5910(35256)

Question 187900: how do you make x=y^2 + 1 to be y=
Click here to see answer by jojo14344(1513)

Question 188058: What is an equation of the line through the point (-6,6) and perpendicular
to -5x-4y=6
Click here to see answer by jojo14344(1513)

Question 188059: Find an equation of the horizontal line passing through (-5,5).
Click here to see answer by Mathtut(3670)

Question 188057: Is the Relation y={{x-3}} a function?
one of the brackets is big and one is little, dont know if that makes a difference or not.
Click here to see answer by Mathtut(3670)

Question 188261: How do i find the range of the following equation
f(x)=(4x-20)/(3x-18)
Click here to see answer by stanbon(75887)

Question 188054: Find the center radius from of the equation of the circle with center (4,-3) and radius of 9.
Click here to see answer by jojo14344(1513)

Question 188373: If Amanda Miller spent $15.72 on pet supplies before tax, what was the price of the pet supples she purchased before the discount?
Click here to see answer by solver91311(24713)

Question 188649: the problem is to evaluate the function at the indicated point when g(x)= 1-x2/3. the 2/3 is elevated like a square root would be. x=4
Click here to see answer by solver91311(24713)

Question 188815: f(y) - 3y/y-8
find the domain
Click here to see answer by Mathtut(3670)

Question 189012: f(2)=-3, f(-2)=5
Find the slope of the graph of the linear function f
Click here to see answer by jim_thompson5910(35256)

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