Question: Consider the graph. (a) By reading values from the given graph of f , use four rectangles with heights corresponding to the right endpoint of

Consider the graph.

(a) By reading values from the given graph off, use four rectangles with heights corresponding to the right endpoint of each subinterval to estimate the area under the graph offfromx= 0

tox= 8.

A sketch of the rectangles is given.

Is your estimate higher or lower than the actual area?

higher

lower

(b) By reading values from the given graph off, use four rectangles with heights corresponding to the left endpoint of each subinterval to estimate the area under the graph offfromx= 0

tox= 8.

A sketch of the rectangles is given.

Is your estimate higher or lower than the actual area?

higher

lower

(c) Find a new estimate (using right endpoints) with eight rectangles. A sketch of the rectangles is given.

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