Factor the four-term polynomial by grouping.12x2 - 30x + 10x - 25
A. (12x + 5)(x - 5)
B. (12x - 5)(x + 5)
C. (6x - 5)(2x + 5)
D. (6x + 5)(2x - 5)
Answer: D
Mathematics
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Graph the function.f(x) = e2 - x
A. 
B. 
C. 
D. 
Mathematics
Find the difference. Simplify the result.
- 
A. 
B. 
C. 
D. 
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Solve the problem.The owner of a video store has determined that the average daily cost, in dollars, of operating the store is given by 
where x is the number of videos rented. Find the cost at the vertex of the parabola (the minimum cost). Round your answer to the nearest dollar.
A. $688 B. $472 C. $832 D. $616
Mathematics
Write the improper fraction as a mixed number.
A. 5
B. 6
C. 7
D. 6
Mathematics