Answer:
Answer is 1536
Explanation:
plug in 3 for x
f(3) = 3*8^3 = 1536
1536
f(x) = 3 * 8 ^ x
x = 3
f(3) = 3 * 8 ^ 3
8^3 = 8 * 8 * 8
8^3 = 512
f(3) = 3 * 512
f(3) = 1536
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