F(x)= 5x+7 g(x)= 2x+5 ditanya (fog)(x)​

Penjelasan dengan langkah-langkah:

f(x) = 5x + 7

g(x) = 2x + 5

( f o g ) (x) = f(g(x))

= 5(2x + 5) + 7

= (5 × 2)x + (5 × 5) + 7

= 10x + 25 + 7

= 10x + 32