Answer:
-45
Explanation:
f(3)= 3×3-2×(3)^3
=9-2×27
=9-54
= -45 ans..
The answer is (-45)
f(x) = 3x - 2x³, If f(3)
f(3) = 3(3) - 2(3)³
f(3) = 9 - 2 (27)
f(3) = 9 - 54
f(3) = -45
Thus, The answer is (-45)
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