calculus
posted by Kelly .
g(t)=2+cos t; [0,pi]
Can you help me find the average rate of change of the function over the given interval?

There is no rate of change of the number 2
Graph cos t from 0 to pi
1 at t = 0
0 at t = pi/2
1 at t = pi
so it drops
now the average rate of change is the function at pi  the function at t all divided by the time, pi
function at pi = 1
function at 0 = +1
(1  1 )/pi = 2/pi
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