Question #3cf88

1 Answer
Aug 19, 2017

1

Explanation:

the average rate of change of a function f(x)
is the slope of the secant line joining the points

(a,f(a)) and (b,f(b))

here [a,b]=[0,2]

m=f(b)f(a)ba

m=422=1

this means that the average of all the slopes of tangents
to the graph of f(x) between (0,2) and (2,4) is 1