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91Ó°ÊÓ

Determine whether each graph is the graph of a function

Short Answer

Expert verified

(a) First graph is not a graph of a function because vertical line passes through two points on graph

(b) Second graph is a graph of a function because vertical line passes through exactly one point .

Step by step solution

01

Given Information 

Two graphs are given

02

Part(a) Step 1: 

Draw vertical lines on the graph . The vertical lines crosses more than one point then it is not a function .

The graph does not pass vertical line test. So this graph is not the graph of a function

03

Part (b) Step 1:

draw vertical lines on the graph .

The graph passes vertical line test. So it is the graph of a function .

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