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Let f(x)={x2+1 if x>5,2x3 if 5x5,3 if x<5.

 

Find f(7)+f(0)+f(7)

 Aug 13, 2021
 #2
avatar+118703 
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-7 is less than -5 so   f(-7)=3

 

You can try the other 2    laugh

 Aug 13, 2021

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