Find the domain of the function 
.
?
A. Domain: all real numbers x except x = 8
B. Domain: all real numbers x except x = 9
C. Domain: all real numbers x except x = -9
D. Domain: all real numbers x
E. Domain: all real numbers x except x = -8
Answer: A
Mathematics
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Evaluate the definite integral.
?
?
A. 4 B. 5 C. 3 D. 2
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What number should be added to complete the square of the expression?x2 - 6x
A. 9 B. 18 C. -3 D. 5
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If the function is one-to-one, find its inverse. If not, write "not one-to-one."f(x) = -8x + 1
A. f-1(x) = - 
x + 1
B. f-1(x) = - 
x - 1
C. f-1(x) = - 
x + 
D. f-1(x) = - 
x - 
Mathematics