Consider the relationship between y=f(x) and y=f(x)+k

Question

A. What is this type of function transformation called?
make it simple and like a kid wrote it

Answer 1

This type of function transformation is called a "vertical shift." When you add a number (like k) to the function (f(x)), it moves the whole graph up or down. If k is positive, it goes up; if k is negative, it goes down!