Answer:
Yes, it is a function
Step-by-step explanation:
A function has only one output for each input. So a function can have the same output for different input, but one input can only have one output. In this case none of the inputs output more than one output, so it is a function.
105³
3x5=15
15x7=105
105 is your answer.
2,4,1
Noooo
$13.50
The total is $103.50.