15.1 Graphing Exponential Functions - PowerPoint PPT Presentation

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15.1 Graphing Exponential Functions

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15.1 Graphing Exponential Functions OBJ: To draw the graph of an exponential function To read and interpret the graph of an exponential function – PowerPoint PPT presentation

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Title: 15.1 Graphing Exponential Functions


1
15.1 Graphing Exponential Functions
  • OBJ? To draw the graph of an
  • exponential function
  • ? To read and interpret the
  • graph of an exponential function

2
P390 EX ? Graph y 2 x
  • x y
  • -3
  • 1/8
  • -2
  • 1/4
  • -1
  • 1/2
  • 0
  • 1
  • 1
  • 2
  • 2
  • 4
  • 3
  • 8
  • 1. Increasing
  • 2. Key Point (0, 1)
  • 3. D ?
  • 4. R (0, 8)
  • 5. y 0

3
P391 EX ? Graph y (½) x
  • x y
  • -3
  • 8
  • -2
  • 4
  • -1
  • 2
  • 0
  • 1
  • 1
  • 1/2
  • 2
  • 1/4
  • 3
  • 1/8
  • 1. Decreasing
  • 2. Key point (0, 1)
  • 3. D ?
  • 4. R (0, 8)
  • 5. y 0

4
Graph 2 basic shapes
  • A) y b x
  • B) y b -x

5
Graph y 2 x 3
  • 1. Inc, A
  • 2. 3 R (3, 1)
  • 3. D ?
  • 4. R (0, 8)
  • 5. y 0

6
Graph y 2 x 6
  • 1. Inc, A
  • 2. 6? (0, 7)
  • 3. D ?
  • 4. R (6, 8)
  • 5. y 6

7
Graph y ( 1/3 ) x 4
  • 1. Dec, B
  • 2. 4? (0, 5)
  • 3. D ?
  • 4. R (4, 8)
  • 5. y 4

8
Graph y 4 x - 8
  • 1. Inc, A
  • 2. 8? (0, -7)
  • 3. D ?
  • 4. R (-8, 8)
  • 5. y -8

9
Graph y ( ½) x 2
  • 1. Dec, B
  • 2. 2 L (-2, 1)
  • 3. D ?
  • 4. R (0, 8)
  • 5. y 0

10
Graph y 2 x - 3 1
  • 1. Inc, A
  • 2. 3 R, 1? (3, 0)
  • 3. D ?
  • 4. R (-1, 8)
  • 5. y -1

11
Graph y e x - 2 5
  • 1. Inc, A
  • 2. 2 R, 5? (2, 6)
  • 3. D ?
  • 4. R (5, 8)
  • 5. y 5
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