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CAT 2017 Functions — Previous Year Question

Year

CAT 2017

Section

Quantitative

Topic

Functions

Difficulty

Hard

Question

Slot-1

If f(x)=5x+23x−5f(x) = \dfrac{5x + 2}{3x - 5} and g(x)=x2−2x−1g(x) = x^2 - 2x - 1, then the value of g(f(f(3)))g(f(f(3))) is:

2

13\dfrac{1}{3}

6

23\dfrac{2}{3}

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