Question

1. Find the rate of change demonstrated in the graphbelow.3027242112DISTANCE (MILES)15129E621 2 3 4 5 6 7 8 9 104 5 6TIME (HOURS)

Answer 1

Take 2 points in the graph, for example (2,9) and (6,27)

The rate of change is given by the equation

`(f(b)-f(a))/(b-a)`

Replace the values

`(27-9)/(6-2)=(18)/(4)=(9)/(2)`

The rate of change is 9/2