Divide the interval
into equal pieces. What is the width of each rectangle?
, , , , , and .
Now add the width to
to find . Continue the same for the last two.
Use 5 rectangles to get upper and lower bounds for the area under the curve.
Review homework problem 2-98 for the process.
What minor change could you make to part (a) to make the upper and lower bounds closer together?
Review homework problem 2-98.