Solve the problem.Two bacteria are placed in a petri dish. The population will double every day. The formula for the number of bacteria in the dish on day t is N(t) = 2(2)twhere t is the number of days after the two bacteria are placed in the dish. How many bacteria are in the dish eight days after the two bacteria are placed in the dish?
A. 128
B. 512
C. 12
D. 32
Answer: B
Mathematics
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Find the average value of the function f over the given region.f(x, y) = ex2 over the region bounded by 
, 
, 
, and 
.
A. 
B. 
C. e - 1
D. 2e - 1
Mathematics
Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
The number of tasks in the project is
A. 9. B. 6. C. 8. D. 7. E. none of these
Mathematics
Solve the equation by the method of your choice. Simplify solutions, if possible.x2 + 14x + 38 = 0
A. {7 ± 
}
B. {-14 ± 
}
C. {-7 ± 
}
D. {7 ± 
}
Mathematics
Use the properties of logarithms to solve.log7 x + log7(x - 2) = log7 24
A. 7 B. 24 C. 6 D. 2
Mathematics