which of the following methods can be used to determine if a relation is a function?? Select all that apply.
A. Write out the relation in an x-y table and check that each x-value corresponds to the only one y - value.
B. Write out the relation in an x-y table and check that each x-value corresponds to the only one x - value
C. Graph the relation on a coordinate plane and check that it passes the vertical line test.
D. Graph the relation on a coordinate plane and check that it passes the horizontal line test.
