## Glossary of Math Intro Final Exam

Created by qtazknb

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- Function
- a rule that tells how one thing depends on another. for each input there is one and only one output

- 4 Ways to Represent Functions:
- 1. Formula or Equation

2. Table of Values

3. Graph

4. Words

- Model
- A function that approximates real data or a real phenomenon

- Where do we look for the minimum and maximum values of a function?
- 1. Peaks

2. Valley

3. Endpoints

- A linear function is a function whose rate of change is ________.
- constant

- Exponential functions grow or decay be repeated _______.
- multiplication

- When an exponential function is growing, what do we know about the growth factor a?
- A is greater than 1

- List situations in which an exponential model would be appropriate:
- 1. Radioactive Decay

2. Population Growth

3. Frequencies of Musical Scale

4. Compound Interest

- List logarithmic scales and what they measure:
- 1. Richter scale-intensity of earthquakes

2. pH scale acidity and alkalinity of solutions

3. Decibel scale-intensity of sound

4. Magnitude-brightness of stars