Question

which of the following relations is also a linear function?

Answer 1

Let, y=mx+c
AND find the value of m and c using the two given points........ And u will get a equation of a line. Now, if the two other points also satisfies that equation then it is a linear function

Answer 2

Does it help?

Answer 3

im kinda confused o.o

Answer 4

In a function the x value or input does not repeat, in each one does the x repeat? In each it does not you will have a function.