Determine whether the graph shown is the graph of a polynomial function.
A. polynomial function
B. not a polynomial function
Answer: B
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In the following figure, f(t) gives the population P?1 of a certain bacteria culture at time t after a portion of bactericide A was introduced into the population at t = 0. The graph of g gives the population P?2 of a similar bacteria culture at time t after a portion of bactericide B was introduced into the population at t = 0.
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Which population is decreasing faster at t?1 and at t?2?
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A. The populations are decreasing at the same rate at t?1, P?2 is decreasing faster at ?t?2 B. ?P?1 is decreasing faster at t?1, the populations are decreasing at the same rate at t?2 C. ?P?2 is decreasing faster at t?1, ?P?1is decreasing faster at t?2 D. P1is decreasing faster at t?1, ?P?2is decreasing faster at t?2
Solve the problem.A deposit of $11,000 is made in an account that earns 5.6% interest compounded quarterly. The balance in the account after n quarters is given by the sequence an = 11,000(1 + 
)n, n = 1, 2, 3, ...Find the balance in the account after four years by computing a16
A. $11,629.06 B. $13,740.42 C. $4996.52 D. $3762.52
Solve the radical equation, and check all proposed solutions.
+ 8 = x + 4
A. {-4}
B. {8}
C. {2, 8}
D. 
Change the following to decimal degrees. If rounding is necessary, round to the nearest tenth of a degree. ? 73°12' ? __________°
Fill in the blank(s) with the appropriate word(s).