Solve the problem.The logarithmic function f(x) = -100 + 87 ln x models the number of visitors (in millions) to a certain country's museums, where x is the number of years since the initial recording of the number of visitors. Use this function to estimate the number of visitors in year 60. Round to the nearest tenth of a year.
A. 128.1 million
B. 384.3 million
C. 256.2 million
D. 192.2 million
Answer: C
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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 60,000 B. 0.06 C. 0.00001667 D. 0.0006
New telephone lines must be installed to connect 8 cities (A, B, C, D, E, F, G, and H). Due to government regulations, the only possible connections that are allowed are shown by the edges on the network below. The numbers on the edges indicate the cost (in millions of dollars) of each possible connection. The telephone company wishes to connect the cities in the cheapest possible way.
The degree of vertex E in the minimal spanning tree is
A. 1. B. 3. C. 4. D. 2. E. all of these will be directly connected.
Find a formula for the nth term of the arithmetic sequence whose first term a and common difference d are given.a = -13, d = -6
A. an = -6n - 7 B. an = 6n + 7 C. an = -6n - 13 D. an = 6n + 13
Use a calculator to find 
.
?
Please round the answer to the nearest thousandth.
Fill in the blank(s) with the appropriate word(s).