How do you find the domain and range and determine whether the relation is a function given : $y=7x-6$ ?

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Answer 1 · 2017-12-23T06:49:00

The relation is a function.
The domain and range are both all real numbers, or $(-oo, oo)$

First, this relation is a function. A function means that the input only has ONE output, or that each x-value can only have ONE y-value.

This equation $y = 7x - 6$ is a line on the graph. All non-vertical lines are functions.

Also, since it is a line, that means that the domain and range are both all real numbers, or $(-oo, oo)$

How do you find the domain and range and determine whether the relation is a function given :y=7x-6y=7x-6?