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6.3 – Square Root Functions and Inequalities

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Presentation on theme: "6.3 – Square Root Functions and Inequalities"— Presentation transcript:

1 6.3 – Square Root Functions and Inequalities
Day 1

2 Vocabulary: Square Root Function – a function that contains the square root of a variable. - A type of radical function.

3

4 Domain of Square Root Functions:
Domain: (What type of #’s can/cannot be underneath a square root???) • # CANNOT be negative, so… the # (or expression) has to be > 0!

5 Range of Square Root Functions:
Range: (What type of #’s will result from square rooting a #???) • Answers WILL NOT be negative, so… the y-values resulting from the square root function have to be > 0!

6 Example 1: Identify the domain and range of

7 Example 2: Identify the domain and range of

8

9 Example 3: Graph the function. State the domain and range.

10 Example 4: Graph the function. State the domain and range.

11 Example 5: Graph the function. A. B. C. D.

12 Ticket Out: State the domain and range of the function. Hw – pg. 403, #13 – 16, 22 – 28 even A. D: {x | x ≥ –1}; R: {y | y ≤ –4} B. D: {x | x ≥ 1}; R: {y | y ≥ –4} C. D: {x | x ≥ –1}; R: {y | y ≤ 4} D. D: {x | x ≥ 1}; R: {y | y ≤ 4}


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