Identifying the Domain of a Quadratic Function

Identifying the Domain of a Quadratic FunctionAdapted from Walch Education

Domain 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 Function2

Practice # 1Describe the domain of the quadratic function g(x) = 1.5x2.5.5.2: Identifying the Domain of a Quadratic Function3Sketch a graph of the function5.5.2: Identifying the Domain of a Quadratic Function4

Describe what will happen if the function continuesLooking 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 Function5

Your turnDescribe the domain of the function graphed at right.5.5.2: Identifying the Domain of a Quadratic Function6

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