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. 384.3 million
B. 192.2 million
C. 128.1 million
D. 256.2 million
Answer: D
Mathematics
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Find the domain and range of the inverse of the given function.f(x) = 3.9 - 2.67x
A. Domain: all real numbers; range: (-?, 3.9] B. Domain: all real numbers; range: [3.9, ?) C. Domain: [3.9, ?); range: all real numbers D. Domain and range: all real numbers
Mathematics
Determine whether the graph of the function is symmetric about the y-axis, the origin, or neither of these.f(x) = 3x2 - 2
A. y-axis B. Origin C. Neither
Mathematics
Divide. Write a mixed numeral for the answer.
A. 98
B. 98
C. 99
D. 99
Mathematics
If possible, completely factor the expression. If not possible, answer "none".
?
What will be an ideal response?
Mathematics