Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. infinitely many solutions; {
2x + y = 2} or {
2x + y = 4}
B. 
C. 
D. no solution; ?
Answer: D
Mathematics
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Use algebraic and/or graphical methods to solve the inequality.
> 
A. No solution B. x < -7 C. x > -7 D. All real numbers
Mathematics
Solve the absolute value equation.|7x + 2| = 8
A. 
B. 
C. 
D. ?
Mathematics
Find the domain and the range for the function.
A. D: (4, ?), R: [0, ?) B. D: (-?, ?), R: (-?, ?) C. D: (0, ?), R: [0, ?) D. D: (5, ?), R: (-?, 0]
Mathematics
Graph the system of inequalities. Shade the region that represents the points of intersection.
A. 
B. 
C. 
D. 
Mathematics