Solve the polynomial inequality. Express the solution in interval notation.2x2 - 5x ? 7
A. (-?, -1) ? 
B. 
C. 
D. (-?, -1] ?
Answer: D
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Sketch the subset on the real number line, and state whether the inequality is bounded or unbounded. ? x ? -2 ?
A. 
The interval is unbounded.
B.
The interval is unbounded.
C.
The interval is bounded.
D.
The interval is bounded.
E.
The interval is unbounded.
Determine the logarithm in base 10 of the given number to four decimal places.1.75 × 104
A. 1.8451 B. 1.2430 C. 9.7700 D. 4.2430
Suppose that y is inversely proportional to x. Use the given information to find the constant of proportionality k. Then use y = 
to find y for the given value of x.y = 12.5 when x = 5;
Find y given x = 25.
A. k = 62.5; y = 2.5 B. k = 70; y = 2.8 C. k = 2.5; y = 62.5 D. k = 55; y = 2.2
Divide.
Round to the nearest tenth.
A. 885.1 B. 88.4 C. 885.2 D. 88.5