Question

a function may assign more than one ouput value to one of its input values True or False

Answer 1

let's take a peek,
output = y
input = x

let's use 1 input, say x = 2
let's use 2 outputs for that 1 input, y = 4, y = -4

do you think that will pass the "vertical line test"?

Answer 2

lemme draw on it, let's say a parabola