Solve the polynomial inequality. Express the solution using interval notation.x2 - 4x - 5 ? 0
A. (-?, -1] ? [5, ?)
B. (-?, -1]
C. [5, ?)
D. [-1, 5]
Answer: D
Mathematics
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Evaluate.
A. 5 B. -4 C. -5 D. -6
Mathematics
Find x: 140 = e-2ú4x
a. -2.46 b. -2.06 c. -1.23 d. -1.19 e. -1.02
Mathematics
Solve the system by the elimination method or a combination of the elimination and substitution methods. xy = 112y2 - x2 = 11
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A deep sea diving bell is being lowered at a constant rate. After 8 minutes, the bell is at a depth of 600 feet. After 35 minutes the bell is at a depth of 1900 feet. What is the average rate of lowering per minute? Round to the nearest hundredth if necessary.
A. 54.29 ft per min B. 0.02 ft per min C. 37.14 ft per min D. 48.15 ft per min
Mathematics