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E. No Value

 Apr 11, 2018
 #1
avatar+100571 
+2

f(x)  =  (x^2  - 16)  / ( x - 4)    =  (x + 4) (x - 4) / (x - 4)  =  x + 4

If x  could be 4,  we  would have   ( 4) + 4  =  8

 

So  k  =  8     will make the function continuous

 

cool cool cool

 Apr 11, 2018
 #2
avatar+1354 
+12

Good job Cphill

 Apr 11, 2018

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