If f(x) = ax + b, a and b are positive real numbers and if f(f(x)… | XAT 2017 Question Paper

XAT 2017Quantitative AbilityFunctions, Graphs and StatisticsEASY+1 / −0.25

If f(x) = ax + b, a and b are positive real numbers and if f(f(x)) = 9x + 8, then the value of a + b is:

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XAT 2017Quantitative AbilityFunctions, Graphs and StatisticsEASY+1 / −0.25

If f(x) = ax + b, a and b are positive real numbers and if f(f(x)) = 9x + 8, then the value of a + b is:

Select an option to reveal the answer and explanation

Practice the full paper

Attempt XAT 2017 Question Paper with real exam interface and instant grading.