Respuesta :

buihoanganhthu225

Answer:

5

Step-by-step explanation:

m(-2) = 3x2 - 2x(-2) -5 = 6 + 4 - 5 = 5

Answer:

m(- 2) = 11

Step-by-step explanation:

Substitute x = - 2 into m(x) , that is

m(- 2) = 3(- 2)² - 2(- 2) - 5

         = 3(4) + 4 - 5

         = 12 + 4 - 5

        = 11