evxlynnr15
evxlynnr15 evxlynnr15
  • 11-08-2021
  • Mathematics
contestada

f(x) =-x^2+x+13
find f(9)

Respuesta :

jimrgrant1 jimrgrant1
  • 11-08-2021

Answer:

f(9) = - 59

Step-by-step explanation:

Substitute x = 9 into f(x) , that is

f(9) = - (9)² + 9 + 13

     = - 81 + 22

    = - 59

Answer Link
Аноним Аноним
  • 11-08-2021

Answer:

-59

Step-by-step explanation:

f(x) =-x^2+x+13

Let x = 9

f(9) = - (9)^2 +9+13

       = -81 +9+13

      = -59

Answer Link

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