1. a.

x
2
3
4
5
6
7
8
y
4
9
16
25
36
49
64

b. Area is approximately 169 units2

2. Area is approximately 22 units2

3. a.

x
2
3
4
5
6
7
8
9
10
y
0.5 0.333 0.25 0.2 0.167 0.143 0.125 0.111 0.1

b. Area is approximately 1.63 units2

4.

x
0
0.25
0.5
0.75
1
y
0
0.062
0.247
0.533
0.841

b. Area is approximately 0.316 units2

5.

a. 17.31 units2

b. 4.03 units2