Solve the equation or inequality.
? 0
A. (-?, 2) ? (2, ?)
B. [2, -2]
C. ?
D. (-?, ?)
Answer: D
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Determine if the parabola whose equation is given opens upward or downward.y = x2 - 3x - 9
A. downward B. upward
Answer the question.It took 28 seconds for the temperature to rise from 2° F to 148° F when a thermometer was taken from a freezer and placed in boiling water. Although we do not have detailed knowledge about the rate of temperature increase, we can know for certain that, at some time, the temperature was increasing at a rate of 
° F/sec. Explain.
What will be an ideal response?
Solve the compound inequality.20x - 2 ? 9x + 31 and x - 4 ? -1
A. 3 ? x ? 4 B. No solution C. x = 3 D. All real numbers
Use Jefferson's plan. Which state does violate the quota rule?
State:A
B
C
D
E
Population:9,180
4,020
2,200
2,200
3,030
Number of seats:
200?
?
__________ (A, B, C, D, E, none)
What will be an ideal response?