matthewmckittrick matthewmckittrick

03-02-2021
Mathematics

contestada

6. If F(x) = -6(2x2 + 5x) - 9, what is the value of F(-4)?

6 If Fx 62x2 5x 9 what is the value of F4 class=

Respuesta :

clarch19 clarch19

04-02-2021

Answer:

-81

Step-by-step explanation:

-6(2x² + 5x) - 9

substitute -4 for 'x'

-6[2(-4)² + 5(-4)] - 9

-6[2(16) + (-20) - 9]

-6(32 - 20) - 9

-6(12) - 9

-72 - 9 = -81

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