02 - Functions

How does a function machine handle +, -, *, and / ?

Practice

P.3 # 1, 3,11,19,25,57,63
CH P Review # 3, 5, 25, 29, 39, 40

Vocabulary

Evaluate, Defined, Undefined, Value of a function, Domain, Range, Even Function, Odd Function, Vertical Line Test

Study Questions

  1. What is a function? Draw a graph that represents a function and one that does not represent a function. Explain why.
  2. What is domain? When you want to find the domain of a function what should you think about?
  3. What is an even or odd function? How do you verify if a function is even or odd?
  4. How do you find the points of intersection of the graphs of two functions?
  5. How do you find x and y intercepts?
  6. What would you do if you have to find roots of functions, zeroes of functions or solutions of functions?

Resources

  1. Video: Algebra Basics: What are functions?
  2. Video: Composition of functions
  3. Video: Finding the domain of a function?
  4. Video: Even or Odd functions
  5. Slide Deck: Lesson 02 - Functions Part I
  6. Slide Deck: Lesson 02 - Functions Part II