A night watchman visits 9 offices every night. To prevent others from knowing when he will be at a particular office, he varies the order of his visits. In how many ways can this be done?
Fill in the blank(s) with the appropriate word(s).
362,880
Mathematics
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Find the range of the quadratic function.f(x) = (x + 2)2 + 7
A. [-7, ?) B. [7, ?) C. -2, ?) D. [2, ?)
Mathematics
Find a, b, and h so that f(x) ? a sin (b(x - h)). Round to two decimal places if necessary.f(x) = sin 2x - 3 cos 2x
A. a = 3.16, b = 4, h = 0.95 B. a = 1.41, b = 2, h = 0.62 C. a = 3.16, b = 2, h = 0.62 D. a = 0.62, b = 4, h = 3.16
Mathematics
Solve the combined inequality. Write the solution in interval notation.0 ? 
< 4
A. 
B. 
C. 
D. 
Mathematics
Add.+ 
A. 9.0921 B. 9.2131 C. 9.1921 D. 9.1931
Mathematics