Section 9-1.  Inputs  Independent  Domain  X-value  Outputs  Dependent  Range  Y-value.

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Presentation transcript:

Section 9-1

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

 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.

 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.

 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)

 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?

 Pg. 80: #1, 2, 3, 11, 12, 13,  Pg. 659: #11