Five quick questions

1. Name___________________________________ Trapezoidal Rule - 1
Show all work for short answer questions , neatly, legibly on a separate sheet(s) of paper attached to this worksheet. Circle
your final answers for both short answer and multiple choice questions.
Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
1)
5
0
x dx∫ 1)
Answer:
25
2
2)
2
0
4x2 dx∫ 2)
Answer: 11
3)
1
-1
(x2 + 5) dx∫ 3)
Answer:
43
4
4)
1
0
8
1 + x
dx∫ 4)
Answer:
1171
210
5)
0
-π
sin x dx∫ 5)
Answer: -
1 + 2
4
π
1