Jika f(x)=3x-2 dan (fog)(x)=3x^2-5 maka g(1/2) adalah

Langsung aja y

(fog)(x) = f{g(x})

3x² - 5 = 3g(x) - 2

3g(x) = 3x² - 5 + 2

3g(x) = 3(x² - 1)

g(x) = x² - 1

g(½) = (½)² - 1

g(½) = 1/4 - 4/4

g(½) = - ¾

Semoga berguna +_+