Solve the problem.
A. a reflection with axis a horizontal line
B. a reflection with axis a vertical line
C. a 180° rotation
D. all of these
E. none of these
Answer: C
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Give an appropriate answer.Express the following in ? notation.(a) fxyy(b) fxyx(c) fxxxy
A. (a) 
, (b) 
, (c) 
B. (a) 
, (b) 
, (c) 
C. (a) 
, (b) 
, (c) 
D. (a) 
, (b) 
, (c) 
Solve the application. Write an expression to describe the situation and simplify the expression for the final answer.The stock market gained 9 points on Tuesday and lost 19 points on Wednesday. It had closed on Monday at 2676 points. Where did the market close on Wednesday?
A. 2676 + 9 + (19) = 2648; The market closed at 2648 points on Wednesday. B. 2676 + 9 + (-19) = 2666 ; The market closed at 2666 points on Wednesday. C. 2676 + (-9) + (-19) = 2686; The market closed at 2686 points on Wednesday. D. 2676 + (-9) + (19) = 2704; The market closed at 2704 points on Wednesday.
Solve the equation.
+ 
= 
A. {0, 5} B. ? C. {0} D. {-5}
Simplify, where possible.3(x + 2 + 2y)
A. 3x + 2 + 2y B. x + 6 + 6y C. 3x + 6 + 6y D. 3x + 6 + 2y