If f (x) = x3 , find the value of \(\frac{f(5)-f(1)}{5-1}\) – InterviewSolution

1.

If f (x) = x3 , find the value of \(\frac{f(5)-f(1)}{5-1}\)

Answer»

Given, f(x) = x³

At x = 5, f(5) = 5³ = 125

At x = 1, f(1) = 1³= 1

∴\(\frac{f(5)-f(1)}{5-1}=\frac{125-1}{5-1}=\frac{124}{4}\) = 31

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