Solve the problem.The cost of manufacturing clocks is given by C(n) = 4(n + 100)1/2, where C is the total cost and n is the number of clocks produced. What is the total cost when no clocks are produced?

A. $20
B. $400
C. $4
D. $40


Answer: D

Mathematics

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A.  sec2x - 9 ln + C or   tan2x - 9 ln + C
B.  sec2x - ln + C or   tan2x - ln + C
C. 7 sec2x + 9 ln + C or 7 tan2x + 9 ln + C
D.  tan2x - 9 ln + C or   tan2x + 9 ln + C

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Show that the given shape will tile the plane. There may be more than one correct answer. If the figure does not tile the plane, state this.

What will be an ideal response?

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Factor, using the given factor. Assume all variables represent positive real numbers.6k-3 + k-5; k-5

A. k-5(6k-2 + 1) B. k-5(6k3 + 1) C. k-5(6k2 + 1) D. 6 k-5(k2 + 1)

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Add.7 + (-9) + 13 + (-15) + 6 + (-18)

A. -16 B. -24 C. -42 D. -68

Mathematics