Question

PLEAAASEEEE FOR THE LOVE OF GOD
for f(x) = 5 - 2 (x + 4)^2 find

f (2a -1)

Answer 1

Hi

f(x)= x^2-2x+4

f(2a)= (2a)^2-2(2a)+4 = 4a^2-4a + 4 = 4(a^2-a+1)