Prove that f(x) = ax+b, where a and b are constants and a > 0, is a st – InterviewSolution

1.

Prove that f(x) = ax+b, where a and b are constants and a > 0, is a strictly increasing function on R.

Answer»

Domain of the function is R

Finding derivative i.e f’(x) = a

As given in question it is given that a > 0

Derivative > 0

Means strictly increasing in its domain i.e R

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