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Mathematics 21 Online
OpenStudy (chycora):

Is the following graph a function? A. Cannot be determined B. No, it is a relation only C. Yes D. No, it is neither a function nor a relation http://media.apexlearning.com/Images/201305/10/5c9ffe84-d854-4a32-86ee-5d1f6a17b69d.jpg

OpenStudy (welshfella):

use the vertical line test

OpenStudy (welshfella):

Can you draw a vertical line through any point of the graph where there are > 1 values of y for the value of x?

OpenStudy (chycora):

@bonnieisflash1.0

OpenStudy (bonnieisflash1.0):

they look like they went up to 6 if you look closer

OpenStudy (bonnieisflash1.0):

Vertical Line Test. A set of points in the plane is the graph of a function if and only if no vertical line intersects the graph in more than one point. The graph of the equation y2 = x + 5 is shown below.

OpenStudy (chycora):

okay

OpenStudy (chycora):

so the answer would be C

OpenStudy (bonnieisflash1.0):

yep

OpenStudy (chycora):

okay thanks

OpenStudy (chycora):

there go a medal for helping me

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