Solve the problem.The population of a particular city is increasing at a rate proportional to its size. It follows the function 
where k is a constant and t is the time in years. If the current population is 40,000, in how many years is the population expected to be 100,000? (Round to the nearest year.)
A. 3 yr
B. 8 yr
C. 59 yr
D. 5 yr
Answer: B
Mathematics
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Answer the question about the preference schedule.If candidate E withdrew from the election (and voters for the other candidates were moved up in the table), how many votes would the other four candidates receive? Preference Schedule for an election. 
A. A-30, B-5, C-10, D-4 B. A-14, B-5, C-10, D-4 C. A-30, B-5, C-0, D-4 D. A-14, B-5, C-0, D-4
Mathematics
Find an expression equivalent to the given expression.
A. -cosh x B. -sinh x C. sinh x D. cosh x
Mathematics
State whether the graph is or is not that of a function.
A. Yes B. No
Mathematics
Evaluate.If f(x) = x - 3 and g(x) = x + 3, evaluate (f ? g)(-2).
A. 1 B. -5 C. -11 D. 4
Mathematics