Adapted from Walch Education  The domain of a function is all input values that satisfy the function without restriction.  This is expressed by showing.

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Presentation transcript:

Adapted from Walch Education

 The domain of a function is all input values that satisfy the function without restriction.  This is expressed by showing that the input values exist from negative infinity to infinity as 5.5.2: Identifying the Domain of a Quadratic Function 2

Describe the domain of the quadratic function g(x) = 1.5x : Identifying the Domain of a Quadratic Function 3

4

 Looking at the function, you can see that the function will continue to increase upward and the function will continue to grow wider.  Growing wider without end means that the domain of this function is all real numbers as x increases to infinity and decreases to negative infinity, or 5.5.2: Identifying the Domain of a Quadratic Function 5

 Describe the domain of the function graphed at right : Identifying the Domain of a Quadratic Function 6

Ms. Dambreville