Question

1. Describe three ways to represent a function. Show an example of each

2. Describe two methods for determining whether a relation is a function

3. Draw the graph of a relation that is not a function. Explain why it is not a function

Answer 1

1. a) an equation, b) a graph, c) A value chart. See image attached for examples of each.

2. a) Create a value chart and insure each x value has one and only one answer. b) Create a graph and insure the function passes the vertical line test.

3. See image attached. The graph presented fails the vertical line test and is therefore not a function.