Solve the problem.A bacterial culture has an initial population of 10,000. If its population declines to 5000 in 4 hours, what will it be at the end of 6 hours?

A. 1768
B. 5743
C. 2500
D. 3536


Answer: D

Mathematics

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List the elements in the set .Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}.  (A ? B)'

A. {r, t, u, v, w, x, z} B. {s, u, w} C. {t, v, x} D. {q, s, t, u, v, w, x, y}

Mathematics

Solve the problem.Find the volume interior to the inverted catenary kiln (an oven used to fire pottery) shown in the figure. Give an exact answer in terms of logarithms. 

A. 16(3 ln(3 + 2+ 2)
B. 48 ln(3 + 2- 2
C. 8(3 ln(3 + 2- 2)
D. 16(3 ln(3 + 2- 2)

Mathematics

Find the probability.A lottery game has balls numbered 0 through 13. If a ball is selected at random, what is the probability of selecting an even numbered ball or a 3?

A.  
B.  
C. 2
D. 7

Mathematics

For the given functions f and g, find the indicated value.f(x) = , g(x) = 3x(f ? g)(2)

A.
B. 3
C.
D. 3

Mathematics