Find the specified domain.For f(x) = x2 - 64 and g(x) = 2x + 3, what is the domain of (f ? g)?
A. [8, ?)
B. [0, ?)
C. (-8, 8)
D. (-?, ?)
Answer: D
Mathematics
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Write the equation in standard form.y = -3(x - 3)2 - 3
A. y = -3x2 + 18x - 30 B. y = -3x2 + 9x - 30 C. y = -3x2 - 18x - 30 D. y = -3x - 30
Mathematics
Find the median of the set of numbers.69, 112, 242, 222, 309, 483
A. 242 B. 232 C. 222 D. 205.5
Mathematics
Solve the equation and express the solution in exact form.log2 
= 
A. {- 16, 16} B. {- 4, 4} C. {4} D. {- 2, 2}
Mathematics
Solve the problem.The concentration, in parts per million, of a particular drug in a patient's blood x hours after the drug is administered is given by the function, f(x) = -x4 + 9x3 - 29x2 + 45x. How many hours after the drug is administered will it be eliminated from the bloodstream.
A. 5 hours B. 4 hours C. 9 hours D. 14 hours
Mathematics