Find the domain of the logarithmic function.f(x) = log2(x - 9)2
A. (-?, 9) or (9, ?)
B. (-?, 0) or (0, ?)
C. (9, ?)
D. (-9, ?)
Answer: A
Mathematics
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Graph the function.y = -cos ?x
A. 
B. 
C. 
D. 
Mathematics
Construct the transition matrix that represents the data.If it snows today, there is a 70 percent chance of snow tomorrow; however if it does not snow today, there is a 40 percent chance that it will not snow tomorrow.
A. 
B. 
C. 
D. 
Mathematics
Use a graphing calculator to solve the equation. Round your answer to two decimal places.ex - ln x = 3
A. {1.27} B. {2.17} C. {1.14} D. {0.57}
Mathematics
Solve the equation.6x - 20.8 = 3x + 8
A. 10.6 B. 1.042 C. 0.104 D. 9.6
Mathematics