Using interval notation, write the set.{x| x < -2}
A. [-?, -2]
B. [-?, -2)
C. (-?, -2)
D. (-?, -2]
Answer: C
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Solve the problem.A private shipping company will accept a box for domestic shipment only if the sum of its length and girth (distance around) does not exceed 108 in. Suppose you want to mail a box with square sides so that its dimensions are 
and it's girth is 
What dimensions will give the box its largest volume?
A. 24 in. x 24 in. x 18 in. B. 18 in. x 18 in. x 90 in. C. 36 in. x 18 in. x 36 in. D. 18 in. x 18 in. x 36 in.
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.3x2 = 4x + 7
A. 
B. 
C. 
D. 
State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.6(x - 1)12(x + 1)9
A. Yes; degree 21 B. Yes; degree 6 C. Yes; degree 12 D. Yes; degree 72
Find all values of x satisfying the given conditions.y = (x2 - 2x)2 - 18(x2 - 2x) and y = -45
A. - 3, - 1, 5, 3 B. - 3, - 1, 15, 3, 5, 3 C. 15, 3 D. 5, 3