Use synthetic division to determine whether the number k is an upper or lower bound (as specified) for the real zeros of the function f.k = -1; f(x) = 2x3 + 4x2 - 2x - 4; Lower bound?
A. Yes
B. No
Answer: B
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Solve the problem.The graph shows the hours studied and the exam grades obtained on a finite math exam for 8 students. (The two points on the line do not represent any of the eight students.) The line of best fit, the line graphed on the coordinate system, can be used to approximate the test grade the average student receives for the number of hours they study. 
Find the equation of the line of best fit. Then use the equation to estimate a test grade for a student who has studied for 6 hour(s).
A. approximately 96 B. approximately 93 C. approximately 88 D. approximately 91
Write the sentence as a proportion.5 meters is to 10 meters as 7 meters is to 14 meters.
A. 
= 
B. 
= 
C. 
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D. 
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Solve the problem.There are 6000 under-capitalized retail stores. If this represents 12% of the total number, what is the total number? Round to the nearest whole number.
A. 72,000 B. 500 C. 50,000 D. 720
Provide an appropriate response.Solve for x: 1 - 4x - 4x2 = 0
A. 
B. 2 ± 2
C. -2 ± 2
D. 
± 
E. - 
± 