what is the answer math will give brainliest

Hey there!!
Given :
g(x) = ax² + 24
and
g(4) = 8
g(4) = a(4)² +24
g(4) = 16a + 24
8 = 16a + 24
-16 = 16a
a = -1
The constant is -1.
g(-4) =?
g(-4) = -1(-4)² + 24
g(-4) = -16 + 24
g(-4) = 8
The answer is (A)
Hope it helps!