Math Intro Final Exam
Terms
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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 scaleintensity of earthquakes
2. pH scale acidity and alkalinity of solutions
3. Decibel scaleintensity of sound
4. Magnitudebrightness of stars