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Monday, 20 April 2026
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Mathematics Past Questions and Answers

Jamb 2019 Mathematics Questions

Question 26:
\(\frac{d}{dx} [\log (4x^3 - 2x)]\) is equal to
  • A \(\frac{12x - 2}{4x^2}\)
  • B \(\frac{43x^2 - 2x}{7x}\)
  • C \(\frac{4x^2 - 2}{7x + 6}\)
  • D \(\frac{12x^2 - 2}{4x^3 - 2x}\)
View Answer & Explanation
Question 27:
If \(f(x) = 3x^3 + 4x^2 + x - 8\), what is the value of f(-2)?
  • A -24
  • B 30
  • C -18
  • D -50
View Answer & Explanation
Question 28:
Solve for x in \(\frac{4x - 6}{3} \leq \frac{3 + 2x}{2}\)
  • A \(x \leq 1\frac{1}{2}\)
  • B \(x \leq \frac{21}{2}\)
  • C \(x \geq \frac{21}{2}\)
  • D \(x \geq 1\frac{1}{2}\)
View Answer & Explanation
Question 29:
Solve the inequality: -7 \(\leq\) 9 - 8x < 16 - x
  • A -1 \(\leq\) x \(\leq\) 2
  • B -1 \(\leq\) x < 2
  • C -1 < x < 2
  • D -1 < x \(\leq\) 2
View Answer & Explanation
Question 30:
The nth term of a sequence is given by 2\(^{2n - 1}\). Find the sum of the first four terms.
  • A 74
  • B 32
  • C 42
  • D 170
View Answer & Explanation