Question

Dada a função x^2+3x-4 determine f(2).​

Answer 1

Resposta:

$x=2 \Rightarrow \\f(2) = 2^2 +3\cdot 2 -4\\f(2) = 4+6-4\\f(2)=+6$

Answer 2

Resposta:

F(2)= 2^2+3x2-4

F(2)= 4 + 6 - 4

F(2)= 10 - 4

F(2)= +6