Answer:
A
Step-by-step explanation:
By vertical line test, if you draw any vertical line, except for A, all graph meet at more than two points. So, graph A represents y as a function of x.
Answer:
5l.5
Step-by-step explanation: 412 divieded into 8 is 51 or 51.5
Step-by-step explanation:
y=(-x^2)+12x-20
=(-(3)^2)+12(3)-20
=(-9)+36-20
=16-9=7
y=7
I hope it helped you
(x-3)(x-7)=0
x=3,7
hope this helps!