SOLUTION: Consider the graph: http://i.imgur.com/7dbdP03.png?1 A. Use the Vertical Line Test to determine whether the curve is the graph of a function of x. Yes, the curve is a function

Question 901939: Consider the graph:
http://i.imgur.com/7dbdP03.png?1
A. Use the Vertical Line Test to determine whether the curve is the graph of a function of x.
Yes, the curve is a function of x?
No, the curve is not a function of x?
B. If the curve is a function, state the domain and range.
domain:
C. range: ?

Please explain how this is solved. THANK YOU IN ADVANCE
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
If you draw a vertical line anywhere, you should only cross the function at one place.
This curve passes the vertical line test so it is a function.
Domain : min to max x values : [-4,2]
Range : min to max y values : [-3] U (1,4]
[] - these brackets denote that end values are included.
() - these brackets denote that end values are not included.
A U B - means union of A and B.

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