Respuesta :

  • Rate of change formula: [tex] \frac{y_2-y_1}{x_2-x_1} [/tex]

65.

[tex] \frac{540-135}{12-3}=\frac{405}{9}=45 [/tex]

The rate of change is 45 miles per hour.

66.

[tex] \frac{161-173}{7-1}=\frac{-12}{6}=-2 [/tex]

The rate of change is -2 pounds per week.

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