what is average value of cos(x) on the interval [-3,5]?
2 answers
Well you know that cos(x) is sketched between 1 and -1 on the graph. And you are looking at the average value between two points.
the average value of f(x) on the interval [a,b] is
∫[a,b] f(x) dx
-----------------------
(b-a)
so just plug in your values.
∫[a,b] f(x) dx
-----------------------
(b-a)
so just plug in your values.