Solve the problem.The price P of a certain computer system decreases immediately after its introduction and then increases. If the price P is estimated by the formula 
where t is the time in months from its introduction, find the time until the minimum price is reached. Round to the nearest tenth if necessary.
A. 11 months
B. 25.9 months
C. 6.5 months
D. 12.9 months
Answer: C
Mathematics
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A. 1
B. 
C. 0
D. No limit
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A. 14,450 km2 B. 340 km2 C. 7225 km2 D. 170 km2
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Find the first four terms of the sequence.an = an-1 + 8; a1 = -5
A. 0, 8, 16, 24 B. -5, 8, 16, 24 C. -5, 3, 11, 19 D. 3, 11, 19, 27
Mathematics
Use the given graph to find the x-intercepts and zeros of the function.
A. (2, 0), (4, 0); 2, 4 B. (-4, 0), (2, 0); -4, 2 C. (-2, 0), (4, 0); -2, 4 D. (-4, 0), (-2, 0); -4, -2
Mathematics