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251

If y = (1 - 2x)\(^3\), find the value of dy/dx at x = -1

  • A. 57
  • B. 27
  • C. -6
  • D. -54
View Answer & Discuss (1) JAMB 2005
252

Find the derivative of y = sin(2x\(^3\) + 3x - 4)

  • A. cos (2x3 + 3x - 4)
  • B. -cos (2x3 + 3x - 4)
  • C. (6x2 + 3) cos (2x3 + 3x - 4)
  • D. -(6x2 + 3) cos (2x3 + 3x - 4)
View Answer & Discuss JAMB 2005
253
The radius r of a circular disc is increasing at the rate of 0.5cm/sec. At what rate is the area of the disc increasing when its radius is 6cm?
  • A. 36 π cm2/sec
  • B. 18 π cm2/sec
  • C. 6 π cm2/sec
  • D. 3 π cm2/sec
View Answer & Discuss JAMB 2005
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
254

The maximum value of the function
f(x) = 2 + x - x\(^2\) is

  • A. \(\frac{9}{4}\)
  • B. \(\frac{7}{4}\)
  • C. \(\frac{3}{2}\)
  • D. \(\frac{1}{2}\)
View Answer & Discuss (1) JAMB 2005
255

Find the area of the figure bounded by the given pair of curves y = x\(^2\) - x + 3 and y = 3

  • A. \(\frac{17}{6}\)units (sq)
  • B. \(\frac{7}{6}\)units (sq)
  • C. \(\frac{5}{6}\)units (sq)
  • D. \(\frac{1}{6}\)units (sq)
View Answer & Discuss (5) JAMB 2005
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WAEC offline past questions - with all answers and explanations in one app - Download for free
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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