Do you need to restrict the domain of hte inverse of a cubic function

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4