Answer:
A function is a relation in which each element of the domain, or x-value, is mapped to one element of the range, or y-value.
The question we are asked is if cost is a function of the activity type. This means that cost would be the range and activity type would be the domain.
If this is a function, then each activity type would have only one cost. However, on different days of the week each activity type has different prices; this means there is more than one cost for each activity type, and it is not a function.
Answer: 769.3
Step-by-step explanation:

C=2*3.14*122.5
245/2=122.5
C=769.3
Answer:
69 people got in free over the 2 days
Step-by-step explanation:
6742/175=38
5487/175=31
31+38=69
Answer:
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Step-by-step explanation:
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Answer: 
Step-by-step explanation:
Given
The diameter of the cylinder is 
height of the cylinder is 
The volume of a cylinder is given by

Insert the values

The volume of the cylinder is 