kayleebriandaa18 kayleebriandaa18

23-10-2020
Mathematics

contestada

help solve this , cause i don't know the answer .

help solve this cause i dont know the answer class=

Respuesta :

AlizaHaidar AlizaHaidar

23-10-2020

Answer:

A -6

Step-by-step explanation:

f(x) = 2x² + 5x - 9

f(-3) = 2(-3)² + 5(-3) - 9

f(-3) = 2(9) + 5(-3) - 9

f(-3) = 18 + (-15) - 9

f(-3) = 18 - 15 - 9

f(-3) = 3 - 9

f(-3) = -6

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