Solve.The function h(t) = -16t2 + 192t - 560 gives the height h, in feet, of a flare fired from the bottom of a gorge 560 feet deep with an initial velocity of 192 ft/sec. The flare fired is visible only when it is above the rim (h = 0). During what interval can the flare be seen?
A. (15, 17)
B. (5, 7)
C. (0, 5)
D. (10, 12)
Answer: B
Mathematics
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