Answer:
B.
Step-by-step explanation:
(1,-8) sorry if you needed an explanation i am not good at that. Hope this helped!!
Answer:
Step-by-step explanation:
-6.34
You can just use the calculator. :)
Answer:
it rises 15 degrees
Step-by-step explanation:
sorry if it is wrong but I am sure it us 15
Y is equal to about 2 I believe
Answer:
The parent function is 
That Parabola's equation is 
Step-by-step explanation:
I can't really explain much, but the top equation is a formula for <em>all </em>equations for a parabola. h and k are the x and y-values of the vertex. a is, well, a.
How did I find the equation of the parabola? Simple. Since the vertex is on the origin, h and k are 0. Also, because it intercepts (2,4) and (1,1), a=1.