Use an inequality and the five-step process to solve the problem.One side of a rectangle is 14 inches and the other side is x inches. What values of x will make the perimeter at least 38?
A. x ? 5
B. x < 5
C. x ? 5
D. 0 < x ? 5
Answer: C
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Find the domain of the function.
A. {x|8 ? x ? 31} B. {x|-8 ? x ? 31} C. {x|-8 ? x < 8 or 8 < x ? 31} D. {x|x ? -8}
Perform the indicated operation for the given f(x) and g(x).f(x) = x2 - 9x - 1, g(x) = 
Find (f ? g)(x).
A. x2 - 9x
B. 
C. x - 9
+ 25
D. x - 9
- 1
Solve the problem.Suppose, for a certain drug, the following results were obtained: Immediately after the drug was administered, the concentration was 6 milligrams per milliliter. Nine hours later, the concentration had dropped to 1.4 milligrams per milliliter. The concentration decays exponentially according to the law 
Determine the value of k for this drug.
A. k = 0.1617 B. k = -0.0062 C. k = -0.5047 D. k = -0.1617
Solve. Provide answers in interval notation.(c + 8)(c - 1)(c - 5) > 0
A. (5, ?) B. (-?, -8) ? (1, 5) C. (-8, 1) ? (5, ?) D. (-?, 1)