Question

dada a função definida pela lei f(×) =3×-3 A, f(2) b, f(-2)

Answer 1

A) F(2) = 3.2-3

F(2) = 6-3

F(2) = 3

B) F(-2) = 3.(-2) -3

F(-2) = -6 -3

F(-2) = -9