Answer:
9
Explanation:
f(x)= 3x – 9
f(6)= 3(6) – 9
f(6)= 18 – 9
f(6)= 9
I hope this helps
f(6) = 9
f(6) = 3(6) - 9
~Simplify
= 18 - 9
~Subtract
= 9
Best of Luck!
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