Solve the problem.A coin is tossed upward from a balcony 136 ft high with an initial velocity of 16 ft/sec. During what interval of time will the coin be at a height of at least 40 ft? (h = -16t2 + vot + ho.)
A. 0 ? t ? 1
B. 2 ? t ? 3
C. 3 ? t ? 6
D. 0 ? t ? 3
Answer: D
Mathematics
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Find a linear equation whose graph has the indicated slope and passes through the given point.slope 5, point (-3, 7)
A. y = -3x - 8 B. y = -3x + 22 C. y = 5x + 22 D. y = 5x + 8
Mathematics
Change the order of integration and evaluate the integral.
A. 
?(15? - 16)
B. 
?(15? - 16)
C. 
?(15? - 8)
D. 
?(15? - 8)
Mathematics
Find a1, d, an, n, or Sn for the arithmetic sequence, as instructed.a1 = 1, d = 5, an = 21; Find Sn.
A. 21 B. 5 C. 26 D. 55
Mathematics
Solve the problem.The population P, in thousands, of Fayetteville is given by P(t) = 
, where t is the time, in months. Find the population at 9 months.
A. 30, 769 B. 15, 976 C. 7988 D. 40,000
Mathematics