Application of differentiation - Jamb Mathematics Past Questions and Answers

Question 31:

• JAMB 2010

At what value of X does the function y = -3 - 2x + X² attain a minimum value?

A. -1
B. 14
C. 4
D. 1

Question 32:

• JAMB 2011

Find the value of x at the minimum point of the curve y = x³ + x² - x + 1

A. \(\frac{1}{3}\)
B. -\(\frac{1}{3}\)
C. 1
D. -1

Question 33:

• JAMB 2013

The radius of a circle is increasing at the rate of 0.02cms^-1. Find the rate at which the area is increasing when the radius of the circle is 7cm.

A. 0.75cm²S^-1
B. 0.53cm²S^-1
C. 0.35cm²S^-1
D. 0.88cm²S^-1

Question 34:

• JAMB 2014

Find the minimum value of y = x² - 2x - 3

A. 4
B. 1
C. -1
D. -4

Question 35:

• JAMB 2021

Determine the maximum value of y=3x\(^2\) + 5x - 3

A. 6
B. O
C. 2
D. No correct option