Answer:
it would be c
Step-by-step explanation:
A function is a relation that associates each element x of a set X, to a single element y of another set Y.
Circle is not a function of x. For x = 0 we have y = -7 and y = 7.
Y-5= 3(x-0)
Y-5= 3x
Y= 3x + 5
Hope this helps!
6x^2 is the answer. thanks for asking it.