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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