Answer:
f(g(8)) = 26
Explanation:
to calculate f(g(8)) , evaluate g(8) , then substitute the value obtained into f(x)
g(8) = 8 - 6 = 2 , then
f(2) = 3(2)² + 2 + 12 = 3(4) + 14 = 12 + 14 = 26
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