Question

Problem 1c

Answer 1

Given information

Given that How can tell whether a given curve is the graph of a function

Step-by-step explanation

Step 1.

 This is the graph of a function 

 

In order to know if a given curve is a graph of a function we can use  Vertical Line Test. Just draw vertical lines at any point in the curve and check if there is no vertical line intersecting the curve more than once  the given curve is the graph of a function.