Question

Table: Is it a function? (yes/no) Why or why not?

Answer 1

yes

Explanation:

Different x and y coordinate

Different gradient of line graph

Therefore,it is a function.

Answer 2

Yes

Explanation:

Every x and y coordinate is different. The y-coordinates don't have the same x-coordinate, so the function passes the vertical line test. This function is called a discrete function since it's made up of individual points, not a line or curve.