Question

Q.2. Calcule f(x) = 2x + 3, quando x= -1 ​

Answer 1

R: 1

f(-1) = 2 (-1) + 3

f(-1) = -2 + 3

f(-1) = 1

Answer 2

Resposta:

$f(x) = 2x + 3$

$f( - 1) = 2.( - 1) + 3$

$f( - 1) = - 2 + 3$

$f( - 1) = 1$