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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?

 

 Jun 22, 2021
 #1
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+1

Hard to tell exactly, but it  looks as  though

f (-1/4)   = -1

f(2 + 1/4)  =  f( 9/4)  =    -1

 

So

 

c =  -1/4    and  9/4

 

 

cool cool cool

 Jun 23, 2021

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