xcheral1
xcheral1 xcheral1
  • 04-06-2020
  • Mathematics
contestada

If f(x) = [xl-5, what is f(8.6)?

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 17-06-2020

Answer:

  3 or 4, depending on the intended meaning of [x]

Step-by-step explanation:

Perhaps you mean ...

  [tex]\displaystyle f(x)= \lfloor x\rfloor -5\\\\f(8.6)=\lfloor 8.6\rfloor-5=8-5=3[/tex]

__

On the other hand, perhaps you mean ...

  [tex]\displaystyle f(x)=\lceil x\rceil -5\\\\f(8.6)=\lceil 8.6\rceil-5=9-5=4[/tex]

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