Solve the problem.The number of bacteria growing in an incubation culture increases with time according to  where x is time in days. Find the number of bacteria when x = 0 and x = 2.

A. 9500; 47,500
B. 1900; 47,500
C. 1900; 5,937,500
D. 1900; 19,000


Answer: B

Mathematics

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Find the first term and the common ratio of the geometric sequence.1, , . . .

A. a1 = 1, r = 
B. a1 = 1, r = 2 
C. a1 = , r = 9 
D. a1 = , r = 

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Determine whether the equation defines y as a function of x. x + 7y = 9

A. function B. not a function

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Identify the radicand.9ab

A. b2
B. 9ab
C.
D. b2 - 6

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Solve the problem.Determine a polynomial that represents the area of the figure.

A. 25t2 + 25t + 25 B. 25t2 + 25 C. 25t2 + 50t + 25 D. 10t2 + 50t + 10

Mathematics