Respuesta :

wegnerkolmp2741o

Answer:

84

Step-by-step explanation:

f(x) = 3x^2 + 2x – 1

Let x=5

f(5) = 3(5)^2+2(5) -1

     = 3*25 +10-1

    = 75+10 -1

    = 85 -1