Maximum value - Jamb Mathematics Past Questions and Answers

Question 1:

• JAMB 2018

A trader realises 10x - x\(^2\) Naira profit from the sale of x bags of corn. How many bags will give him the maximum profit?

A. 7
B. 6
C. 5
D. 4

Question 2:

• JAMB 2002

Find the maximum value of y in the equation y = 1 - 2x - 3x\(^2\)

A. 5/4
B. 5/3
C. 3/4
D. 4/3

Question 3:

• JAMB 2003

Determine the maximum value of y = 3x² - x³

A. Zero
B. 2
C. 4
D. 6

Question 4:

• JAMB 2005

The maximum value of the function
f(x) = 2 + x - x² is

A. 9/4
B. 7/4
C. 3/2
D. 1/2

Question 5:

• JAMB 2008

Find the minimum value of the function y = x(1+x)

A. -¹/₄
B. -¹/₂
C. ¹/₄
D. ¹/₂