Write the first five terms of the geometric sequence.an = 2an-1; a1 = 4
A. 4, 8, 16, 32, 64
B. 2, 8, 16, 32, 64
C. 8, 16, 32, 64, 128
D. 4, 6, 8, 10, 12
Answer: A
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Find the limit of the sequence if it converges; otherwise indicate divergence.an = (-1)n 
A. 4 B. 0 C. ±4 D. Diverges
Divide the first polynomial by the second and state the quotient and the remainder.12x2 + 103x + 56, x + 8
A. Quotient: 12x + 7; remainder: 0 B. Quotient: 7x + 8; remainder: 0 C. Quotient: -12x - 7; remainder: 0 D. Quotient: x + 7; remainder: 0
Solve the problem.A thermometer reading 
is brought into a room with a constant temperature of 
If the thermometer reads 
after 4 minutes, what will it read after being in the room for 7 minutes? Assume the cooling follows Newton's Law of Cooling: U = T + (Uo - T)ekt.(Round your answer to two decimal places.)
A. 65.19°F B. 28.37°F C. 91.76°F D. 48.24°F
Use a formula to solve the problem.A water reservoir is shaped like a rectangular solid with a base that is 5 meters by 3 meters, and a vertical height of 9 meters. How much water is in the reservoir if it is completely full?
A. 135 m3 B. 243 m3 C. 225 m3 D. 45 m3