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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?

 

 Jan 15, 2021
 #1
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Consider if we added the  line  y =  -1

 

Note that te graph  would cut this line in two places......so...

 

Two values of  c

 

 

cool cool cool

 Jan 15, 2021

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