Solve the problem.The population size of a culture of bacteria triples every day such that its size is modeled by the sequence 
where n is the number of the day just beginning. Find the size of the culture at the beginning of the third day and the size of the culture originally.
A. 720 bacteria; 26
bacteria originally
B. 2160 bacteria; 240 bacteria originally
C. 2160 bacteria; 80 bacteria originally
D. 720 bacteria; 80 bacteria originally
Answer: D
Mathematics
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Solve the problems.A quality-control inspector examined 210 calculators and found 15 of them to be defective. At this rate, how many defective calculators will there be in a batch of 14,490 calculators?
A. 69 B. 5 C. 1,035 D. 3,150
Mathematics
Solve the following quadratic equation using the quadratic formula. Find the exact answer. If there are no real solutions, so state.6n2 = -6n - 1
A. n = 
B. n = 
C. n = 
D. n = 
Mathematics
Solve the equation.16x + 9x - 8x = 34
A. 
B. 
C. {17}
D. {2}
Mathematics
Does the graph represent a function that has an inverse function?
A. Yes B. No
Mathematics