According to the table given, the rate of change is of 9.
The <em>rate of change</em> is given by the <u>change in the output divided by the change in the input.</u>
In this problem:
- The input is the number of bouquets.
- The output is the number of flowers.
Taking two of the points, (3,27) and (5,45), we have that:

Hence, the rate of change is of 9, which would be verified taking any pair of two points.
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A=3.14r^2
14*1/2=7
7^2•3.14= 153.86
The area of the metal strips:
A = L * W , where L stays for length and W stays for wirth.
A = 11 ft * 2 ft ;
A = 22 ft^2.
If it costs $6 per foot:
Total cost = 22 * 6 = $132.
Answer: The total cost of a metal strip is $132.
Answer:
Mean=Sum of all values/number of observation
=3+2+4/3
=9/3
=3