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find f (-9) if f (x) = -2x - 6

Sagot :

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Answer:

12

Step-by-step explanation:

you just have to substitute -9 into -2x-6

-2(-9) - 6

18 - 6

=12

hope that helps

Answer:

f(- 9) = 12

Step-by-step explanation:

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

f(- 9) = - 2(- 9) - 6 = 18 - 6 = 12

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