Posted by **Trisha** on Wednesday, August 31, 2011 at 10:01pm.

Determine whether or not the function is one-to-one.

1. f(x) = 2x - 7

2. f(x) =(11x − 5)

- Math -
**Reiny**, Wednesday, August 31, 2011 at 11:14pm
Both of your equations are linear functions, and their graphs are straight lines.

All straight line graphs, unless they are vertical lines, are functions.

So they are one-to-one

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