Respuesta :

devishri1977

Answer:

15

Step-by-step explanation:

To find the rate of change, find the slope

Slope= [tex]\frac{y_{2}-y_{1}}{x_{2}-x_{1}}[/tex]

        [tex]=\frac{35-20}{2-1}\\\\=\frac{15}{1}\\\\=15[/tex]

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