The graph of 
is given in the figure. State whether 
or 
A. a < 0
B. a > 0
Answer: B
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Suppose your newspaper is trying to decide between two competing desktop publishing software packages, Macro Publish and Turbo Publish. You estimate that if you purchase x copies of Macro Publish and y copies of Turbo Publish, your company's daily productivity will be
?
?
where U (x, y) is measured in pages per day (U is called a utility function.) If 
, by approximately how many pages per day will productivity increase if x is increased by one unit?
?
A. A productivity increase of approximately 7.16 pages per day.
B. A productivity decrease of approximately 81.00 pages per day.
C. A productivity increase of approximately 89.16 pages per day.
D. A productivity increase of approximately 16.32 pages per day.
E. A productivity increase of approximately 8.16 pages per day.
Multiply.
A. 10,282 B. 10,292 C. 10,382 D. 10,272
The graph of a quadratic function is given. Determine the function's equation.
A. h(x) = x2 - 2 B. g(x) = x2 + 4x + 4 C. j(x) = x2 + 2 D. f(x) = x2 - 4x + 4
Solve.Let f(x) = x2 + 14x + 49. Find x so that f(x) = 16.
A. -11, -3 B. 7 C. -3 D. 11