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. 5100; 15,937,500
B. 5100; 127,500
C. 25,500; 127,500
D. 5100; 51,000
Answer: B
Mathematics
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Solve the problem.If f(x) = 
, find f(-2).
A. 2 B. 1 C. -2 D. 0
Mathematics
Determine the number by which both sides of the equation must be multiplied or divided, as specified, to obtain just x on the left side.0.2x = 7; multiplied
A. - 
B. 5
C. 0.2
D. 7
Mathematics
Solve the problem.Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 741. Find a linear equation which fits this data.
A. y = 2.7225x + 533.25 B. y = -3.025x + 529.25 C. y = 2.7225x - 533.25 D. y = 3.025x + 529.25
Mathematics
Write as a fraction or as a mixed number0.5%
A. 
B. 
C. 
D. 
Mathematics