Section 2.2 Graphs of Functions Objectives: Review Domain Find Domain from a graph. Graph piecewise functions.

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Presentation transcript:

Section 2.2 Graphs of Functions Objectives: Review Domain Find Domain from a graph. Graph piecewise functions.

Domain of a Function Recall that the domain of a function is the values of the independent variables (x-axis). Ex 1. Find the domain of the functions. a)b)

Ex. 2 Find the domain of

Finding the Domain From a Graph The graph of a function helps us picture the domain and range of the function on the x- axis and y-axis, as shown.

Ex 2. Find the domain and range of the graph shown.

Recall the graphs of the following functions:

Graphing Piecewise Functions Ex 3. Sketch the graph of

Class Work 1.Graph the piecewise function

Class Work 2. Graph the piecewise function

Class Work 3. Graph the piecewise function

Pg. 155 (37-57) odd Pg , 41, 42, 44, 48, 49, 83, 86, 87