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GRAPHING FUNCTIONS Algebra4.4

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Learning Targets Language Goal Students will be able to say information from reading a graph. Math Goal Students will be able to graph functions given a limited domain and graph functions given a domain of all real numbers. Essential Question How do graph a function of all real numbers?

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Warm-up

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Homework Check

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Example 1: Graphing Solutions Given a Domain xRuley(x, y)

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Example 1: Graphing Solutions Given a Domain xRuley(x, y)

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Example 1: Graphing Solutions Given a Domain xRuley(x, y)

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Example 1: Graphing Solutions Given a Domain xRuley(x, y)

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Example 2: Graphing Functions xRuley(x, y) Step 3: Connect the points

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Example 2: Graphing Functions xRuley(x, y) Step 3: Connect the points

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Example 2: Graphing Functions xRuley(x, y) Step 3: Connect the points

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Example 2: Graphing Functions xRuley(x, y) Step 3: Connect the points

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Example 3: Finding Values

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Example 4: Word Problems A mouse can run 3.5 meters per second. The function y = 3.5x describes the distance in meters the mouse can run in x seconds. Estimate how many meters a mouse can run in 2.4 seconds.

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4.1 – 4.4 Quiz Tomorrow! Let’s Review!

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Quiz Review 4.1 Match the situation to the graph below. A. A baby lost a little weight, then gained weight slowly. B. A baby gained weight at a rapid pace. C. A baby gained weight at an uneven pace, then maintained a constant weight.

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4.1 Review Draw a graph of the following situation. Then tell whether it is discrete or continuous. A. Lora has $15 to spend on movie rentals for the week. Each rental costs $3. B. Don’s hair grows steadily longer between haircuts. Time Length Discrete or Continuous

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4.2 Review Express each relation as a table, as a graph, and as a mapping diagram.

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4.3 Review Find the Domain, Range, and tell whether the following is a function and explain. xy -38 -25 1 4 6 D: R: Function? Explain:

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Determine the relationship between the x- and y- values. Write an equation.

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4.3 Review Identify the Independent and Dependent variables. A. Ice cream sales increase when the temperature rises. Independent: Dependent: B. Food for the catered party costs $12.75 per person. Independent: Dependent

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4.4 Review xRuley(x, y)

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Lesson Quiz

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