Power Maths by Sidney Schuman
Power Maths is a precalculus taster designed as a gentle nontheoretical introduction to the subject. It is not intended to be in any way an alternative to the rigorous teaching of calculus. Power Maths uses a numerical / graphical method to deduce the integral power rule. The differential power rule is also obtained, without any reference to the concept of the limit or infinitesimals.

Use this Worksheet to deduce
both of the calculus power rules
Graphs needed for the differential power rule 

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