Respuesta :

irspow
You can calculate the rate, the slope, from the points.

Slope is (y2-y1)/(x2-x1)  in this case:

(4-7)/(17-2)

-3/15

-1/5
[tex]\bf \begin{array}{lllll} &x_1&y_1&x_2&y_2\\ % (a,b) &({{ 2}}\quad ,&{{ 7}})\quad % (c,d) &({{ 17}}\quad ,&{{ 4}}) \end{array} \\\quad \\\\ % slope = m slope = {{ m}}= \cfrac{rise}{run} \implies \cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\impliedby \textit{rate of change}[/tex]