If f(x-1) = x\(^3\) + 3x\(^2\) + 4x – 5, find f(2)

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Further Mathematics WAEC 2022

If f(x-1) = x\(^3\) + 3x\(^2\) + 4x – 5, find f(2)

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The correct answer is: A

Explanation

x - 1 = 2
x = 3
f(2) = (3)\(^3\) + 3(3)\(^2\) + 4(3) - 5
f(2) = 27 + 27 + 12 - 5

= 61

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