Math 125 Spring 2016 Take Home Quiz 20
NAME:
Show all of your work and organize all of your steps otherwise you will not receive
full/partial credit.
1.
Using rectangles whose heights are given by the value of the function on the
left-hand endpoint of the rectangle’s base, estimate the area under the graph of
f (x) = x2 between x = 0 and x = 1 by using four rectagles of equal width.
2.
Express the following in sigma notation: − 15 +
2
5
−
3
5
+
4
5
−
5
5
+
6
5
−
7
5
+ 85 .