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If \(f(x) = 3x^3 + 4x^2 + x - 8\), what is the value of f(-2)?

Mathematics
JAMB 2019

If \(f(x) = 3x^3 + 4x^2 + x - 8\), what is the value of f(-2)?

  • A. -24
  • B. 30
  • C. -18
  • D. -50
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Correct Answer: Option C
Explanation

\(f(x) = 3x^3 + 4x^2 + x - 8\)

\(f(-2) = 3(-2)^3 + 4(-2)^2 + (-2) - 8\)

= \(-24 + 16 - 2 - 8\)

= -18

There is an explanation video available below.


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Explanation Video

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