Question

Jika f(x) = a(x) + b, f (1) = 5 , g(x) = x pangkat 2 + 1, dan ( g p f ) (2) = 50, nilai a adalah

Answer 1

F(1) = a+b = 5
g(x) = x²+1
(gof)(2) = (a+b)²+1 = 50
a+b = √(50-1) = 7