Y=6(x-7)(x+2) standard form

Karianne and lucius are analyzing a linear function on a graph. karianne says that unit rate is equal to rate of change, but that slope is calculated differently. lucius says that unit rate, rate of change, and slope are calculated the same way. who is correct? explain your answer.

The function models the number of accidents per 50 million miles driven as a function

Which rule describes the composition of transformations that maps △abc to △a”b”c