Simplify the polynomial by combining like terms.x - x2 + 6 + 3 - 2x2 + x3
A. x3 - 3x2 + 9x
B. x3 + 3x2 + x + 9
C. x3 - 3x2 + x + 9
D. x3 - 1x2 + x - 9
Answer: C
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Solve the equation for the indicated variable.
= b for x
A. 
B. 
C. b + a
D. ab
Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.
A. open infinite interval; {x|x < -2}; (-?, -2) B. closed infinite interval; {x|x ? -2}; (-?, -2] C. open infinite interval; {x|x > -2}; (-2, ?) D. closed infinite interval; {x|x ? -2}; [-2, ?)
Simplify the expression.2565/4
A. 262,144 B. 1,024 C. 65,536 D. 16,384
Solve the problem.In one city, the local cable TV company charges $2.39 for each pay-per-view movie watched. In addition, each monthly bill contains a basic customer charge of $18.50. If last month's bills ranged from a low of $23.28 to a high of $42.40, over what range did customers watch 
movies?
A. movies watched varied from 1 to 9 inclusive B. movies watched varied from 3 to 11 inclusive C. movies watched varied from 2 to 10 inclusive D. movies watched varied from 1 to 11 inclusive