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The graph of y=f(x) is shown in red below.  For how many values of c is f(c)=-1?



(Assume grid lines are spaced 1 unit apart.)

 Mar 29, 2019

Th question is asking you 

How many different times is the y value  equal to -1.


You can answer that.



Please no one state the final answer over the top of me.

 Mar 29, 2019

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