Decide on a suitable restriction on the domain so that the function is one-to-one and the range is not changed.f(x) = 
A. [-6, 6)
B. [-6, ?)
C. (-?, 11)
D. [0, 6]
Answer: D
Mathematics
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Find the LCD for the rational expression.
, 
A. 5x + 5 B. 5 C. 5(x + 5) D. x + 5
Mathematics
Divide.
A. 1636 B. 1656 R 41 C. 1646 D. 1651 R 33
Mathematics
Find the numerical value of the expression for 
and 
(Round to the nearest thousandth.)
A. a) 0.619 b) 2.784 B. a) 2.474 b) 50.103 C. a) 0.087 b) 0.393 D. a) 109.966 b) 2226.804
Mathematics
The total costs for a company are given by 
, and the total revenues are given by 
. Find the break-even points.
?
A. Break-even values are at 
and 
units.
B. Break-even values are at 
units.
C. Break-even values are at 
units.
D. Break-even values are at 
and 
units.
E. Break-even values are at 
units.
Mathematics