1.Graph the inequality.

X + y 4

Use a graphing tool to graph the inequality.

2.Graph the inequality.

X - y < 1

Use a graphing tool to graph the inequality.

3.Graph the inequality.

Y > 1/9x

Use a graphing tool to graph the inequality.

4.Graph the following inequality.

Y 2x + 5

Use a graphing tool to graph the inequality.

5.Graph the inequality.

X 6

Use a graphing tool to graph the inequality.

6.Graph the inequality.

y > - 2

Use a graphing tool to graph the inequality.

7.Graph the solution set of the following system of inequalities.

4x+8y 8

3x+y 6

Use a graphing tool to graph the system of inequalities.

8.Graph the solution set of the following system of inequalities.

Y > 5x10

Y< x-3

Use a graphing tool to graph the system of inequalities.

9. Graph the solution of the system of linear inequalities.

X 3

Y 9

Use a graphing tool to graph the system of inequalities.

10.Graph the solution set of the system of inequalities.

2x +y 4

5x y 1

X -3

Y 6

Use a graphing tool to graph the system of inequalities.

11.The graph on the right shows the solution set of the given system ofinequalities, where H is the heart rate and a is theage, for the target heart rate of a particular exercise goal as a function of the age of the person exercising. Answer partsaandb.

10 a 70	Range of ages
H 0.6(220a)	Minimum target rate
H 0.7(220a)	Maximum target rate

1. What are the coordinates of pointA and what does this mean in terms of age and heartrate?
2. The coordinates of pointA are