Question

sabendo que fx=x+2, calcule f(0)+f(-3)

Answer 1

f(x) = x + 2

f(0) = 0 + 2 
f(0) = 2

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

f(0) + f(-3)
= 2 + (-1)
= 2 - 1
= 1