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Find the missing value in the table below \(\begin{array}{c|c} x & -4 & -3 &...

Mathematics
JAMB 1985

Find the missing value in the table below
\(\begin{array}{c|c} x & -4 & -3 & -2 & -1 & 0 & 1 & 2 & 3 \\ \hline y = 4 - 3x - x^3 & 80 & & 18 & 8 & 4 & 0 & -10 & -32 \end{array}\)

  • A. -32
  • B. -14
  • C. 40
  • D. 22
  • E. 37
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Correct Answer: Option C
Explanation

When x = -3, y = 4 - 3(3) - (-3)3

= 4 + 9 + 27

= 13 + 27

= 40


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