Chapter 3: Graphs and Functions
Q 349.
a) Graph each function. b) State its domain and range. Write the domain and range in interval notation.
Q. 3.72
Write the inequality shown by the shaded region in the graph with the boundary line .

Q.468
In the following exercises, find the equation of a line containing the given points. Write the equation in slope鈥搃ntercept form.
(3, 8) and (3, 鈭4)
Q.478
Determine whether each ordered pair is a solution to the inequality y < x 鈭 3.
鈸 (0, 1) 鈸 (鈭2, 鈭4)
鈸 (5, 2) 鈸 (3, 鈭1) 鈸 (鈭1, 鈭5)
Q.479
Determine whether each ordered pair is a solution to the inequality x + y > 4.
鈸 (6, 1) 鈸 (鈭3, 6) 鈸 (3, 2) 鈸 (鈭5, 10) 鈸 (0, 0)
Q. 48
Graph the equation using the intercepts.
Q.480
Write the inequality shown by the graph with the boundary line y = 鈭抶 + 2.

Q.483
Write the inequality shown by the shaded region in the graph with the boundary line
x 鈭 2y = 6.

Q.484
Graph the linear two variable inequality
y 鈮 鈭3x.
Q.487
Graph the two variable linear inequality
3x + 2y > 10.