Curriculum placement
Grade 8. This describes the skill, not a learner estimate.
What makes a relation a function
Determine whether a relation assigns one output per input
Problem types
- One input, one output?
- Repair a plotted relation
- Select the points that keep a graph a function
- Choose the input that completes a relation as a function
Builds on
- Dependent and independent variables
- Patterns that follow a rule · Earlier idea
A rule that takes each input to one output is a function, and function notation writes the rule as f(x).
Leads to
Related skills
- Representing a proportional relationship · Shared foundations
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