Answer:
Answer is No, ITS NOT.
Refer below.
Step-by-step explanation:
There are two different cost of the same activity i.e. $10 on Saturday and Sunday and $5 on Monday through Friday, So it wouldn't be a function.
The fraction 8/21 cannot be simplified because the numerator and denominator don't have a common factor except 1.
The number is 33
Function 1
