IIM Bangalore (BBA-DBE) Algebra > Functions PYQs

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Q1:

IIM-B (BBA-DBE) 2024 Slot 1

Algebra > Functions

Medium

If $ f(x) = x - 1 $, and $ g(f(x)) = 3 + 2x - x^2 + x^3 $, which of the options below give a correct expression for $ g(x) $?

$ x^3 - 4x^2 + 7x - 4 $

$ x^3 + 2x^2 + 3x + 5 $

$ x^3 - 2x^2 + 3x - 5 $

$ x^3 + 2x^2 + 3x + 3 $

Correct Answer

Option 2

Correct Answer