Warm Up

[Pages:9]LP2 DrawingGraphsWritingEquations.notebook

February 05, 2018

Warm Up: Sketch y=sinx and y=cosx on one graph

over the interval [-2, 0].

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LP2 DrawingGraphsWritingEquations.notebook

February 05, 2018

Drawing Graphs & Writing Equations

a f(x)

x0

sinx

2sinx

?sinx

So let's summarize the differences ...

Max Min

y=sinx y=2sinx

y=?sinx

amplitude

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LP2 DrawingGraphsWritingEquations.notebook

February 05, 2018

Examples: 1) Graph the equation y=4cosx in the domain x.

2. The graph below incorrectly represents the equations y = 2cosx. Write a mathematical explanation of why this graph is incorrect.

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LP2 DrawingGraphsWritingEquations.notebook

February 05, 2018

Warm Up: What is the amplitude of the function shown

in the accompanying graph?

a) 1.5 b) 2 c) 6 d) 12

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LP2 DrawingGraphsWritingEquations.notebook

February 05, 2018

f(a x)

y=sinx y=sin2x y=sin?x

ZERO MAXIMUM ZERO MINIMUM ZERO

y=sinx y=sin2x y=sin?x PERIOD FREQUENCY

frequency-

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LP2 DrawingGraphsWritingEquations.notebook

February 05, 2018

Sketch the graph of y=3sin2x in the interval - x .

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LP2 DrawingGraphsWritingEquations.notebook

February 05, 2018

7

LP2 DrawingGraphsWritingEquations.notebook

February 05, 2018

8

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