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Published byMercedes Verdon Modified over 2 years ago

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Warm-Up Explain how you made each match (Without a calculator!)

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Section P.1: Graphs and Models p

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4 Approaches to Mathematics: 1. Verbal – Explain in words 2. Numerical – Table of values 3. Graphical – Using graphs 4. Analytical – Manipulating symbols and equations

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Sketch a graph of f(x) = 1 – x 2 Method 1: Make a table and plot points.

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Sketch a graph of f(x) = 1 – x 2 Method 2: Using a graphing calculator.

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Why not just always use a graphing calculator? Give the number of zeros of f(x) = sin(ln x)

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Why not always just use a graphing calculator? Graph y =

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Finding x and y-intercepts: x 2 y – x 2 + 4y = 0

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Finding x and y-intercepts: y =

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Symmetry: X-axis: Y-axis: Origin:

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Check for symmetry: y = (x + 2) 2

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Why does symmetry help? x – y 2 = 2

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Find Points of Intersection and check: x 2 + y = 5 x – y = 1

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