Mathematics 1992 JAMB Past Questions

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Evaluate \(\lim \limits_{x \to 2} \frac{(x - 2)(x^2 + 3x - 2)}{x^2 - 4}\)

A. 7
B. 2
C. 3
D. 4

View Answer & Discuss (2) JAMB 1992

If y = x sin x, Find \(\frac{d^2 y}{d^2 x}\)

A. 2 cosx - x sinx
B. sinx + x cosx
C. sinx - x cosx
D. x sinx - 2 cosx

View Answer & Discuss JAMB 1992

Ice forms on a refrigerator ice-box at the rate of (4 - 06t)g per minute after t minutes. If initially there are 2g of ice in the box, find the mass of ice formed in 5 minutes

A. 19.5
B. 17.0
C. 14.5
D. 12.5

View Answer & Discuss (2) JAMB 1992

Obtain a maximum value of the function f(x) x\(^3\) - 12x + 11

A. -5
B. -2
C. 2
D. 27

View Answer & Discuss (6) JAMB 1992

a student blows a balloon and its volume increases at a rate of \(\pi\)(20 - t²)cm³S^-1 after t seconds. If the initial volume is 0 cm³, find the volume of the balloon after 2 seconds

A. 37.00\(\pi\)
B. 37.33\(\pi\)
C. 40.00\(\pi\)
D. 42.67\(\pi\)

View Answer & Discuss JAMB 1992

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Mathematics 1992 JAMB Past Questions

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