Question

Dada a função: f(x) = 5²-3x4, determine o valor de f(2)

Answer 1

F(2)=5²-3X4
(=)F=25-3*2*4
(=)F=25-24
(=)F=1

Answer 2

f(x) = 5² - 3x⁴ = 25 - 3x⁴ 
logo :
f(2) =  25 - 3 * (2)⁴ = 25 - 3 * 16 = 25 - 48 = -23