10 Square Root Functions and Inequalities Section 7-9
11 Square Root FunctionsA square root function is a function that contains a variable inside a square root.The inverse of a quadratic function is a square root function only if the range is restricted to nonnegative numbers.
12 Graphing Square Root Functions Set the radicand ≥ 0, and solve for x. This is the domain.Set up a T-table that starts with the x-value you found in step 1.Plot the points from the T-table and connect the dots.
13 Example 1Graph the function. State the domain and range.
14 You-Try #1Graph the function. State the domain and range.
15 AssignmentPage 398 #15, 21, 25Graph each function. State the domain and range of each function.
16 Chapter 7 Test Thursday 20 questions You will be allowed to use calculators and a 3”x5” index card (both sides).There will not be time to review Thursday before the test.
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