XAT 2016Quantitative AbilityFunctions, Graphs and StatisticsMEDIUM+1 / −0.25

f is a function for which f(1)= 1 and f(x) = 2x + f(x - 1) for each natural number x $\geq$ 2. Find f(31)

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XAT 2016Quantitative AbilityFunctions, Graphs and StatisticsMEDIUM+1 / −0.25

Select an option to reveal the answer and explanation

Practice the full paper

Attempt XAT 2016 Question Paper with real exam interface and instant grading.

f is a function for which f(1)= 1 and f(x) = 2x + f(x - 1) for each natural number x≥\geq≥2. Find f(31)