Solve each proportion for the given variable.
= 
A. 3
B. 4
C. 
D. 3
Answer: A
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When two functions are composed to make a new function, it makes no difference in which order the functions are used.
Answer the following statement true (T) or false (F)
A function f is depicted in the graph. Find any input values that produce the indicated output.f(x) = 3
A. x = 1 and x = 3 B. x = 7 and x = -3 C. x = 1 D. x = -1 and x = -3
Solve the problem.Use the formula N = Iekt, where N is the number of items in terms of the initial population I, at time t, and k is the growth constant equal to the percent of growth per unit of time. An artifact is discovered at a certain site. If it has 47% of the carbon-14 it originally contained, what is the approximate age of the artifact? (carbon-14 decays at the rate of 0.0125% annually.)
A. 2623 years B. 4240 years C. 6040 years D. 3760 years
A bacteria culture is experiencing a growth pattern of 12% per hour in its population P; that is 
where P is the population of the culture and t is the time, in hours, from noon.
(a) Given that the town’s population at noon was 40000, find the solution of the equation assuming P0 = 40000 and k = 0.12. (b) What will the population be at 6 pm? (c) What is the doubling time of the population?