Question

X=15 is this a function how do you do it

Answer 1

9514 1404 393

Answer:

no

Explanation:

The graph of this equation on an x-y plane is a vertical line. The input value x=15 maps to an infinite number of outputs (y-values). For a relation to be a function, each input can only map to one output.

x = 15 is not a function