Question

Determine if the following is always, sometimes, or never true.

y = -1/5 x + 3 is a function.
A. Always
B. Sometimes
C. Never

Answer 1

First, how do we determine if an equation is a function?

Answer 2

it's always a function because there is always an answer. when you plug in a number, another one comes out

Answer 3

It is a function when each x of the equation has exactly one y

Answer 4

yes and no

Answer 5

when you plugin x with any number, there is always a y

Answer 6

that's why it is always a function

Answer 7

thanks again

Answer 8

you're welcome