Question

(a) a function, but not one-to-one, (b) one-to-one function, or (c) not a function. In each case, explain how you know

Answer 1

I think it isA

Answer 2

yes it is A

Answer 3

Yup. I think it's A too :)
Function: Vertical Line Test
One to One: Horizontal Line Test

Answer 4

a function because passes vertical line test
not one to one because it fails the horizontal line test spectacularly

Answer 5

Yay awesome thanks :) @satellite73 and @Calcmathlete :D

Answer 6

np :)