SECTION 9A HIGHLIGHTS
Vocabulary: Function, variables, independent variable, dependent variable, equation, domain, and range.
Assignment: Read section 9A pages 500-510 Do exercises 3,4,5,6,11,13,20,21,22,23 Notes:
1. A function describes how a dependent variable changes as the
independent variable changes.
2. Points of a function are expressed in ordered pairs (independent
variable, dependent variable).
3. The domain is the set of values that the independent variable can be.
4. The range is the set of values that the dependent variable can be.
Skills you need to master in this section:
1. Describe a function in words.
2. Identify independent and dependent variables.
3. Describe the domain and range of a function.
4. Obtain information from graphs.