Review — Difficulty 3/10

Pre-calculus · Exponential and logarithmic functions

Review skills for this standard. Write answers where shown.

Together with a parent

1. Linear model: slope 8, through (0, 11). Write f(x) = ___ 2. Exponential: f(0)=8, growth factor 2.1. f(x)=___ 3. Which model fits: equal differences or equal ratios? ___

Written review

1. Linear model: slope 10, through (0, 13). Write f(x) = ___ 2. Exponential: f(0)=10, growth factor 2.3. f(x)=___ 3. Which model fits: equal differences or equal ratios? ___ 4. Parameter meaning: in f(x)=18(0.8)ˣ, 0.8 represents ___ 5. Predict f(13) from your model: ___ 6. When does the model break down? Explain. ___

_See printable PDF for diagram._

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Skills checklist

• [ ] Identifies appropriate model type
• [ ] Writes or selects a model for data

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