Question

How do you tell if a table shows y as a function of x?

like if i have a chart that looks like this:

x: 14 15 16 17 18

y: 100 80 110 100 90

Answer 1

you have to find the common ratio between the y and the x, like what you have to multiply x by to get y

Explanation:

like if your table is

x / y

-2. 6

-1. 3

0. 0

1. -3

2. -6

the ratio would be -3