Simplify the expression.(2-1)-2
A. 4
B. 2
C. 
D. 
Answer: A
You might also like to view...
Translate the argument into symbolic form. Then use a truth table to determine whether the argument is valid or invalid. (Ignore differences in past, present, and future tense.)If every student passes the quiz, then no review sessions are needed.
? Some review sessions are needed.
What will be an ideal response?
Determine whether the points A, B, C and D form a parallelogram.A(-2, 10); B(1, 9); C(3, 1); D(6, 4)
A. Yes B. No
Graph the system of inequalities.xy < 7y ? x2 - 4
A. 
B. 
C. 
D. 
The linear programming problem has an unusual characteristic. Select a graph of the solution region for the problem and describe the unusual characteristic. Find the maximum value of the objective function (if possible) and where it occurs. ? Objective function: ? z = x + y ? Constraints: ? x ? 0 y ? 0 -x + y ? 1 -x + 5y ? 7 ?
A. 
Maximum at (0.5, 1.5): 2
B.
The region determined by the constraints is unbounded. For this unbounded region, there is no maximum value of z.
C.
Maximum at (0, 1): 1
D.
Maximum at (0, 0): 0
E.
Maximum at (1.5, 0.5): 2