Answer:
See the attached.
Step-by-step explanation:
In a bar graph, the length of the bar signifies the size of the data item. A spreadsheet program can automate the process, but you can do the job almost as easily by hand.
The coefficent of the x variable is b.
The formula for the period is
Here, b is 6 so we have
So the period is pi/3, or 60 degrees
5 and 88 cenct