Solve the problem.In the formula N = Iekt, N is the number of items in terms of an initial population I at a given time t and k is a growth constant equal to the percent of growth per unit time. How long will it take for the population of a certain country to triple if its annual growth rate is 2.7%? Round to the nearest year.
A. 111 yr
B. 1 yr
C. 41 yr
D. 18 yr
Answer: C
Mathematics
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Find the value.Find F(f(t), g(t)) if F(x, y) = x4 + ey and f(t) = et/4, g(t) = ln t4
A. et + t4 B. et/4 + e4 ln t C. et/4 + t4 D. e + t4
Mathematics
Solve the problem. Round the answer to the nearest tenth, if necessary.A painter leans a ladder against one wall of a house. The ladder is 26 ft long. The base of the ladder is 19 ft from the house. How high is the wall of the house?
A. 157.5 ft B. 17.7 ft C. 8.85 ft D. 22.5 ft
Mathematics
Solve and graph. Write the solution in interval notation.
? 2
A. 
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B. (-?, ?)
C. 
D. 
Mathematics
Perform the indicated operations.(4x + 7)(x - 12)
A. x2 - 84x - 41 B. x2 - 41x - 42 C. 4x2 - 42x - 84 D. 4x2 - 41x - 84
Mathematics