Verified Answer :

Kerbal27

Point D. She only makes profit after she sells 5 hats, so x>5, and profit has to be positive, or x<5 and profit is negative. In this case D is the only correct answer. 

cdrosss1214
DIn all other option she has either not sold 5 headbands (first number in parenthesis), or has not made any money (second number in parenthesis)

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