How to Make a Table and Write a Function (State the Independent and Dependent Variables)

The problem:
There are 12 inches in a foot.
a) Write a function to find the number of inches in any number of feet. Use i for inches and f for feet.

b) Make a table to find the number of inches in 1, 2, 3, and 4 feet.

The solution:
a.)
f(x)=12x f(x)=inches; x=feet
or
i=12f

b.)See vidoe for