Question

Dik: f(x) = x²+b ,jika: f(6) =40 .tentukan a.f(2) b.f(-5)

Answer 1

F(x) = x^2 + b
f(6) = 6^2 + b = 40
-> 36 + b = 40
-> b = 40 - 36
-> b = 4

a. f(2) = 2^2 + 4
= 4 + 4
= 8
b. f(-5) = -5^2 + 4
= 25 + 4
= 29