No. 7 pleaseee .....

Komposisi fungsi dan fungsi invers

f(x) = x -3
fog(x)= x² -2x - 2 --> f { g(x)} = x² - 2x - 2
g(x) - 3 = x² -2x - 2
g(x)= x² -2x -2 + 3
g(x)= x² - 2x + 1
g(2) = 2² -2(2) + 1
g(2) = 4 -4 + 1
g(2) = 1