Solve the inequality.x2 + 2x ? 0
A. [-2, 0]
B. (-?, 0] or [2, ?)
C. [0, 2]
D. (-?, -2] or [0, ?)
Answer: A
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Let U = {all soda pops}, A = {all diet soda pops},B = {all cola soda pops}, C = {all soda pops in cans},and D = {all caffeine-free soda pops}. Describe theset in words.(A ? D) ? C'
A. All diet soda pops and all caffeine-free soda pops, not in cans B. All non-diet, non-caffeine-free soda pops not in cans C. All non-cola soda pops not in cans D. All diet, caffeine-free soda pops not in cans
Solve.An electrical resistor is rated at 4550 ohms with a tolerance of 8%. What are its tolerance limits?
What will be an ideal response?
Solve.If a rocket is propelled upward from ground level at 98 m/sec, its height in meters after t seconds is given by 
During what interval of time will the rocket be higher than 445.9 m?
A. (8, 12) B. (6, 13) C. (7, 13) D. (7, 12)
The graph of a function is given. Decide whether it is even, odd, or neither.
A. even B. odd C. neither