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 = 5.

A. 6200; 1,506,600
B. 6200; 93,000
C. 18,600; 1,506,600
D. 6200; 167,400


Answer: A

Mathematics

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Solve the problem.If f(?) = cos ? and f(a) = - , find the exact value of f(a) + f(a - 2?) + f(a + 4?).

A. - 
B. - 
C. -36
D. -12

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Evaluate the given function at the indicated value.f(x) = 2x2 - 5; g(x) = 3x2 - 5Find (f + g)(5).

A. 125 B. 115 C. 55 D. -25

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Use the table(s) to evaluate the given expression.f -1(3)

A. 8 B. 3 C. 6 D. -1

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Solve the inequality, then graph the solution.7t + 5 ? 5t + 1

A. (-?-2]

B. [2?)

C. (-?2]

D. [-2?)

Mathematics