Write the inequality using interval notation, and illustrate the inequality using the real number line.y < -8
A. (-?, -8)
B. (-?, -8]
C. [-?, -8)
D. [-?, -8]
Answer: A
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Find the discount date and net payment date. (The net payment date is 20 days after the final discount date.)Invoice date: Nov 24Terms: 1/9 - 20x
A. Discount date: Dec 23; net payment date: Jan 12 B. Discount date: Dec 14; net payment date: Jan 3 C. Discount date: Dec 2; net payment date: Dec 22 D. Discount date: Dec 22; net payment date: Jan 12
Plot each number on a number line.0.8, -0.6, -2, 0
A. 
B. 
C. 
D. 
Find the minimum or maximum value of f (as indicated) subject to the given constraint.Minimum of f(x, y) = x2 + 4y2 + 6,subject to 2x - 8y = 20
A. Minimum = 26 at (2, 2) B. Minimum = 26 at (-2, 2) C. Minimum = -26 at (-2, -2) D. Minimum = 26 at (2, -2)
Solve for the variable. Choose the method you feel will work best.x2 + 12x + 23 = 0
A. x = -12 + 
B. x = 6 + 
C. x = -6 ± 
D. x = 6 ± 