Given the expression 
, the number "9" is identified as:
A. a coefficient
B. a constant
C. a variable
D. none of these
Answer: B
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Compare the right-hand and left-hand derivatives to determine whether or not the function is differentiable at the point whose coordinates are given.
y = xy = 2x
A. Since limx?0+ f '(x) = 1 while limx?0- f '(x) = 2, f(x) is not differentiable at x = 0. B. Since limx?0+ f '(x) = 2 while limx?0- f '(x) = 1, f(x) is not differentiable at x = 0. C. Since limx?0+ f '(x) = -2 while limx?0- f '(x) = -1, f(x) is not differentiable at x = 0. D. Since limx?0+ f '(x) = 1 while limx?0- f '(x) = 1, f(x) is differentiable at x = 0.
Using the concepts of graphing inequalities, determine the inequality which describes the graph.
A. y ? 3x + 5 B. y ? 3x + 5 C. y ? -3x + 5 D. y ? -3x + 5
Solve the problem.A book publisher wants to know how many times a year a print run should be scheduled. Suppose it costs $2000 to set up the printing process, and the subsequent cost per book is so low it can be ignored. Suppose further that the annual warehouse cost is $9 times the maximum number of books stored. Assuming 6000 copies of the book are needed per year how many books should be printed in each print run?
A. 1633 B. 1155 C. 1732 D. 365
Convert as indicated.700 m to kilometers
A. 0.7 km B. 700,000 km C. 70,000 km D. 7 km