Question

Tolong bantu dijawab ya

Answer 1

F(x) = x² + b
f(6) = 6² + b
40 = 36 + b
4 = b
-> f(x) = x² + 4

a) f(2) = 2² + 4
           = 4 + 4 = 8

b) f(-5) = (-5)² + 4
             = 25 + 4 = 29