Answer:
f(3) 27
Explanation:
To find the value of f(3) when f(x) = x^2 + 6x, we can plug the value of 3 into the expression for f(x). This gives us:
f(3) = 3^2 + 6(3)
= 9 + 18
= 27
Therefore, f(3) = 27.
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