An entrepreneur is considering opening a shop to sell kites. She estimates the cost of making x kites to be 
and plans to sell kites for $35 each. Which of the following statements is/are true?(I)The sales revenue is given by R(x) = 35x.(II)C(10) = 350.(III)For $400, she can produce 20 kites.(IV)If she sells 4 kites, her profit will be $140.
A. II and III
B. I and II
C. II and IV
D. I and III
E. none of these
Answer: D
Mathematics
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A. Positive B. Negative
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