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## PowerPoint Slideshow about ' Section 2.7' - svea

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Example 1

- Graph y = | x – 1 | + 3. Compare the graph with the graph of y = | x |.
- Comparison
- y = | x – 1 | + 3 translate y = | x | one unit to the right and three units up.

Example 2

- Compare each graph with the graph y = | x |.
- Comparison
- (a) y = 1/3|x | is the graph of y = | x | vertically shrunk by a factor of 1/3
- (b) y = -2|x| is the graph of y = | x | vertically stretched by a factor of 2 and reflected over the x-axis.

Read 1st paragraph on p. 125.

Example 3

- Compare the graph with the graph of y = | x |.
- Comparison
- The graph of y = ¼| x + 3 | − 2 is the graph of
- y = | x |first vertically shrunk by a factor of ¼ then translated 3 units to the left and 2 units down.

Example 4

- A landscaper sketches the design for a triangular shrub protector on graph paper. Write an equation for the shrub protector.

A point on the graph is either (0, 0) or (10, 0). Now solve for a.

Read 1st paragraph and

key concept on p. 126.

Example 5

- The graph of a
- function y = f (x) is
- shown. Sketch the
- graph of the given
- function.

- HW:
- Thursday’s HW: Sections 2.5 and 2.6 Quiz Review
- Monday’s HW: pp. 127-129 (4-26 even, 32, 36, 38, 40)

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