dijawab sama carany y

(fogoh)(x)
= 3 - 4(2x + 5) - 2
= 3 - 8x - 20 - 2
= -8x - 21


y = -8x - 21
8x = -21 - y
x = (-21-y)/8
(fogoh)^-1(x) = (-21-x)/8

(fogoh)^-1(a) = 2
2 = (-21-a)/8
16 = -21 - a
a = -37

jawaban A