1. Section 9-1

2.  Inputs  Independent  Domain  X-value  Outputs  Dependent  Range  Y-value

3.  Table ◦ Find finite differences (ratios) to find rate-of- change (slope). ◦ Graph points as ordered pairs and look for patterns.  Graph ◦ Identify key points to help write an equation. ◦ Create a table from several points (ordered pairs). ◦ Use slope and intercepts to write a verbal description.

4.  Equation (Use your calculator.) ◦ Make a table of values. ◦ Make a graph.  Verbal Description ◦ Identify independent and dependent variables and write an equation. ◦ Generate a table of values from the pattern. ◦ Sketch a graph.

5.  An amusement park manager estimates the daily profits by multiplying the number of tickets sold by 20.  Profits equal x times 20  p = 20t  y=20x Tickets (x)Profits (y) 00 120 240 10200 20400

6.  Kurt is rappelling down a 500-foot cliff at a rate of 6 feet per second. ◦ Create a table, equation and graph to represent Kurt’s height relative to the ground. ◦ When will Kurt reach the ground?

7.  Pg. 80: #1, 2, 3, 11, 12, 13, 19-22  Pg. 659: #11