Question

Qual o valor de y na função f (x) =2x +3 quando o x valer 10.

Answer 1

F (x) = 2x + 3
F (x) = 2*10 + 3
F (x) = 20+3
F (x) = 23

Answer 2

f(x)=2x+3
= (2x10) + 3
= 20 +3 = 23