Respuesta :

This year you earned $75,500. Last year you earned $72,400.

the rate of change:

[tex]\begin{gathered} R=\frac{75500-72400}{1\text{ year}} \\ R=\frac{3100}{1} \\ R=3100 \end{gathered}[/tex]

So the rate of change is $3100 per year

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