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# Unit 2: Relations and functions

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Unit test

### Learn

### Practice

- Recognize functions from graphsGet 3 of 4 questions to level up!
- Evaluate functions from their graphGet 3 of 4 questions to level up!
- Evaluate functionsGet 3 of 4 questions to level up!

### Learn

### Practice

- Function inputs & outputs: graphGet 3 of 4 questions to level up!
- Function inputs & outputs: equationGet 3 of 4 questions to level up!

### Learn

### Practice

- Domain and range from graphGet 5 of 7 questions to level up!

### Learn

### Practice

- Identifying values in the domainGet 3 of 4 questions to level up!
- Determine the domain of functionsGet 3 of 4 questions to level up!

### Practice

- Range of quadratic functionsGet 3 of 4 questions to level up!

### Learn

### Learn

### Practice

- Evaluate step functionsGet 3 of 4 questions to level up!
- Evaluate piecewise functionsGet 3 of 4 questions to level up!

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