Question

If f(x)=5+4x^2, then f(3) = ?

Answer 1

the answer will be 41. F(3) = 5 + 4(3^2).
F= 5 + 4(9) = 41

Answer 2

f(x)=5+4x^2
=5+4(3)^2
=5+4(9)
=5+36
=41