10-09-2023
Mathematics

Middle School

Given \( f(x) = 3x^3 + 8x^2 - 10x - 12 \), find \( f(3) \).

A) \( f(3) = 84 \)
B) \( f(3) = 96 \)
C) \( f(3) = 111 \)
D) \( f(3) = 123 \)

Answer :

wegnerkolmp2741o wegnerkolmp2741o

18-05-2025

Answer:

C) f(3) = 111

Step-by-step explanation:

f(x) = 3x^3 + 8x^2 – 10x – 12

Let x=3

f(3) = 3(3)^3 + 8(3)^2 – 10(3) – 12

=3*27+8(9) -30-12

=81+72-30-12

=111

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