Respuesta :

f(x) = 2x + 5

f(-1) = 2(-1) + 5

f(-1) = -2 + 5

f(-1) = 3

f(2) = 2(2) + 5

f(2) = 4 + 5

f(2) = 9

f(0) = 2(0) + 5

f(0) = 0 + 5

f(0) = 5

f(z) = 2(z) + 5

f(z) = 2z + 5