alien1234567890
alien1234567890 alien1234567890
  • 03-01-2018
  • Mathematics
contestada

Plz help!!
Please explain why the answer is number 2 is D.

Plz help Please explain why the answer is number 2 is D class=

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JoannaBlackwelder
JoannaBlackwelder JoannaBlackwelder
  • 03-01-2018
Since this is a word problem, we have to look at real world constraints on the domain. x represents the number of students and the number of students on a field trip can never be negative. 

The domain is not limited by the function since linear equations have all real numbers for the domain.
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