Question

Sabendo que f(x)=3x+5,calcule f(2)

Answer 1

Olá!

f(x) = 3x + 5 

f(2) = ?

f(2) = 3.2 + 5

f(2) = 6 + 5 

f(2) = 11

Answer 2

Olá!

$f(x) = 3x + 5$

Logo:

$f(2) = 3 \times (2) + 5 \\ f(2) = 6 + 5 \\ f(2) = 11$