Which function is the result of vertically stretching ƒ(x) = x2 – 7 by a factor of 2 and translating it downward 5 units? Question 15 options:

A)

y = x2 – 12

B)

y = 2x2 – 2

C)

y = 2x2 – 5

D)

y = 2x2 –12

30

step-by-step explanation:

times by times

- both graphs increase on their domain.

- the graphs of both functions have the same x-intercept.

- neither graph has a y-intercept.

hm let me think hm think think hm think yes