Determine the domain of the expression. Write the domain in interval notation.
A. (-?, 0) ? (0, ?)
B. 
? 
C. 
? 
D. (-?, ?)
Answer: D
Mathematics
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Find the derivative of y with respect to x, t, or ?, as appropriate.y = ln(ln 9x)
A. 
B. 
C. 
D. 
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Use transformations of either the graph of y = ln x or y = log x to graph the given equation.y = -3 ln x
A. 
B. 
C. 
D. 
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Provide an appropriate response.Solve the following using a system of equations: The sum of two numbers is 21. If the larger is 3 more than the smaller, find each number.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Write the complex number in trigonometric form r(cos ? + i sin ?), with ? in the interval [0°, 360°).-6 - 6i
A. 12(cos 240° + i sin 240°) B. 12(cos 290° + i sin 290°) C. 6(cos 240° + i sin 240°) D. 12(cos 180° + i sin 180°)
Mathematics