Find the specified domain.For f(x) = 
and g(x) = 2 - x, what is the domain of f ? g?
A. (-?, 2) ? (2, ?)
B. (-?, 0) ? (0, ?)
C. (-?, 0) ? (0, 2) ? (2, ?)
D. (-?, ?)
Answer: A
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Find the limit.
A. 9 B. ±9 C. 81 D. does not exist
Use the two steps for solving a linear programming problem to solve the problem.Bruce is bringing items to sell at a flea market, where he plans to sell televisions at 
each and DVD players at 
each. Due to space limitations he can only store at most 150 items for the day. However, because more people already own televisions, Bruce knows that the number of DVD sales must at least match the number of television sales. How many of each item should Bruce bring to the flea market to maximize his sales?
A. 25 televisions and 125 DVD B. 100 televisions and 50 DVD C. 75 televisions and 75 DVD players D. 50 televisions and 100 DVD players
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
Classify the equation as being an identity, a contradiction, or having one unique solution.x + 1 + 6x + 12 = 3x + 8 - (4x - 13)
A. identity B. one unique solution C. contradiction