chapter 6-1 vocabulary!

1. equation

1.1. make a table of value you may use a graphing calculator

2. verbal description

2.1. identify dependent and independent variables and write an algebraic calculator

3. function

3.1. a relationship or expression involving one or more variables

4. piecewise function

4.1. a piecewise-defined function is a function defined by multiple sub-functions, each sub-function applying to a certain interval of the main function's domain, a sub-domain. Wikipedia

5. one-to-one function

5.1. A function for which every element of the range of the function corresponds to exactly one element of the domain. One-to-one is often written 1-1. Note: y = f(x) is a function if it passes the vertical line test. It is a 1-1 function if it passes both the vertical line test and the horizontal line test.

6. table

6.1. graph points as order pairs and look for pattern

7. graph

7.1. identify which parent function the graph most resembles ad then use key points from the graph to help write an equation

8. step function

8.1. a function that increases or decreases abruptly from one constant value to another

9. compostion of functions

9.1. is an operation that takes two functions f and g and produces a function h such that h(x) = g(f(x)).