Provide an appropriate response.Maximize Z = x1 - 2x2 + 3x3 subject to 
A. 0
B. 5
C. 20
D. 15
E. 10
Answer: D
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Provide an appropriate response.Which of the following is not a condition for applying the integral test to the sequence {an}, where 
I. f(x) is everywhere positive II. f(x) is decreasing for x ? N III. f(x) is continuous for x ? N
A. III only B. II only C. All of these are conditions for applying the integral test. D. I only
Translate to a proportion and solve. When necessary, round to the nearest hundredth.What is 190% of 3570?
A. 67,830 B. 678 C. 678,300 D. 6783
Provide an appropriate response.The earth is approximately 92,900,000 miles from the sun. Write this number in scientific notation.
A. 9.29 × 106 B. 9.29 × 108 C. 9.29 × 107 D. 9.29 × 10-7
Solve the inequality. Express your answer using interval notation. Graph the solution set.|x| < 4
A. (-?, -4) ? (4, ?)
B. (-?, 4]
C. [-4, 4]
D. (-4, 4)