Question

for the linear function f, the graph of y=f(x) in the xy-plane passes through the points (0,2) and (9,9). what is the slope of y=f(x)?

Answer 1

`slope = ((y _(2) - y _(1)))/((x _(2) - x _(1))) \\ = ((9 - 2))/((9 - 0)) \\ = (7)/(9) \\ hence \: slope \: is \: (7)/(9)`