Question

explain why a^-1 is 1/a​

Answer 1

Answer:

A function for which every element of the range of the function corresponds to exactly one element of the domain. One-to-one is often written 1-1. Note: y = f(x) is a function if it passes the vertical line test. It is a 1-1 function if it passes both the vertical line test and the horizontal line test.

Step-by-step explanation:

Answer 2

Answer:

Because it is the basic rule of Exponents.

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