Question

f(x)=4x+2

Using complete sentences prove that your function is a legitimate function.

f(x)=4x+2

Answer 1

medal for who ever helps the most

Answer 2

a legitimate function only has one y per x, like (1,2) (1,3) (1,4) isn't a legitimate function because the x 1 has 3 ys

Answer 3

if you graph your function, you'll see that its a positive linear equation with each x having only one y

Answer 4

oh yeah the vertical line crap

Answer 5

thx

Answer 6

exactly :P the pencil test or vertical line test. whatever they call it

Answer 7

yw