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# Unit 4: Get ready for functions & sequences

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## About this unit

Let's play with math patterns involving numbers, shapes, and variables before moving on to functions. We'll learn the basics, work with linear models, and experiment with both linear and nonlinear functions.### Learn

### Practice

- Patterns with numbersGet 3 of 4 questions to level up!
- Patterns with shapesGet 3 of 4 questions to level up!

### Learn

### Practice

- Rules that relate 2 variablesGet 3 of 4 questions to level up!
- Tables from rules that relate 2 variablesGet 5 of 7 questions to level up!
- Graphs of rules that relate 2 variablesGet 3 of 4 questions to level up!
- Extend patternsGet 3 of 4 questions to level up!
- Relationships between 2 patternsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 560 Mastery points

### Learn

### Practice

- Evaluate functionsGet 3 of 4 questions to level up!
- Evaluate functions from their graphGet 3 of 4 questions to level up!
- Function rules from equationsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

### Learn

### Practice

- Linear equations word problemsGet 3 of 4 questions to level up!
- Linear models word problemsGet 3 of 4 questions to level up!
- Writing linear functions word problemsGet 3 of 4 questions to level up!

### Learn

### Practice

- Linear & nonlinear functionsGet 5 of 7 questions to level up!
- Interpreting graphs of functionsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

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Level up on all the skills in this unit and collect up to 1500 Mastery points!