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What's on the worksheet
- Name the input and output, the rate of change and the starting value for each rule.
- Mia's bus pass card: model her balance with a linear function.
- Mei and Kofi save weekly: compare them using linear functions.
- Spring problem: find its length rule from two measurements.
- Photo prints: use a linear price function of the number of prints.
- Grace's car fund: read the balance graph and write the function.
- T-shirt club: say what 7 and the constant mean and find the break-even point.
- Check Liam's claim about doubling the number of cupcakes.
Teach it first
The free lesson teaches it with worked examples and practice problems.
Linear functions in context: the lesson ›More Chapter 3 worksheets: Functions: notation, domain, range, graphs and linear models
- 3.1Function notation in a real situation
- 3.2Evaluating a function at an expression
- 3.3The identity and constant functions
- 3.4Domain and range from a graph
- 3.5A reasonable domain for a real situation
- 3.6End behavior
- 3.7Average rate of change from a table or graph
- 3.8Average rate of change from a formula
- 3.9Linear functions in context
- 3.10Solving f(x) = g(x) with graphs and tables
- 3.11Point-slope form and the line through two points
- 3.12Standard form of a line
- 3.13Modeling with linear relationships