20-09-2021
Mathematics

contestada

f(x) = x2 + 2x and g(x) = 6 - x2 find f-9

Respuesta :

jimrgrant1 jimrgrant1

20-09-2021

Answer:

f(- 9) = 63

Step-by-step explanation:

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

f(- 9) = (- 9)² + 2(- 9) = 81 - 18 = 63

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