Answer:
See below...
Step-by-step explanation:
For a function whose formula is in this pattern:

Amplitude: 
Period: 
Phase Shift: C
In this question, 
Amplitude: 4
Period: 
Phase Shift: 
There is no vertical shift, so the midline is the x-axis whose equation is y = 0.
Also, because there is no vertical shift, the maximum is 4 and the minimum is -4.
The graph is attached.
Answer:
15
Step-by-step explanation:
For each 11 students, 5 are wearing sneakers, and 6 are wearing boots.
If you have 33 students, then you multiply by 3 to find that 15 are wearing sneakers, and 18 are wearing boots.
Step-by-step explanation:
answer: counterclockwise rotation about the origin by 90degrees followed by reflection about the x-axis.
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