Question

Dada a função F(x)= 8x + 15

Resolva:

F(-19)

Answer 1

$8 \times ( - 19) + 15 \\ - 152 + 15 \\ - 137$

Answer 2

F(x)=8x+15
F (x)=8*(-19)+15
F (x)= -152+15
F (x)= - 137