Pre-Calculus 11 Workbook - McGraw-Hill Ryerson
Pre-Calculus 11 Workbook - McGraw-Hill Ryerson
Pre-Calculus 11 Workbook - McGraw-Hill Ryerson
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The x-coordinate of the vertex is .The y-coordinate of the vertex is .How can you use the x-coordinate of the vertexto determine the y-coordinate of the vertex?The minimum value of the function is .The equation of the axis of symmetry isx = .What is the relationship between the x-coordinateof the vertex and the axis of symmetry?The factored form of the function is f(x) = x(x + 4), so the x-intercepts areand.The y-intercept is 0 because .The domain is {x| x ∈ R}.The range is {y | y ≥ –4, y ∈ R} because .b)y42-4 -2 0 2 4-2x-4The graph opens .The x-coordinate of the vertex is .The y-coordinate of the vertex is .The maximum value of the function is .The equation of the axis of symmetry is x = .The factored form of the function is f(x) =are and ., so the x-interceptsThe y-intercept is because .The domain is .The range is because .& After completing this example, you should be able to explain the solutions to Example 1on pages 167–168 of <strong>Pre</strong>-<strong>Calculus</strong> <strong>11</strong>.14 MHR • Chapter 3 978-0-07-073882-9