Respuesta :

gcantiga44

What is f(5)?

f(x) = 3x + 4

f(5) = 3(5) + 4

     = 15 + 4

     = 19

And what is fg(x)?

f(x) = 3x + 4

g(x) = 7x - 9

fg(x) = (3x + 4) (7x - 9)

       = 21x² + x - 36

Otras preguntas