Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = -x2 - 4x - 9
A. (-2, -5)
B. (2, -21)
C. (2, -13)
D. (-4, -9)
Answer: A
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Evaluate the integral.
A. -coth 
+ C
B. 
csch3 
+ C
C. 5 tanh 
+ C
D. 5 coth 
+ C
Solve the problem.Suppose parts packers are paid as follows:1-75 parts packed$0.50 each76-125 parts packed$1.25 each126 or more parts packed$1.75 eachIf Sam packs 173 parts, what are his gross earnings?
A. $146.50 B. $216.25 C. $178.75 D. $184.00
For the pair of functions, find the quotient 
(x) and give any x-values that are not in the domain of the quotient function.f(x) = 27x3 - 216, g(x) = 3x - 6
A. 9x2 - 18x + 36; x ? 0 B. 10x2 + 20x + 35; x ? 2 C. 9x2 + 18x + 36; x ? 2 D. 3x2 + 6x + 36; x ? -2
Choose the most reasonable measurement for the situation described.What is the most reasonable measurement for the length of Alice's fingernail?
A. 1.9 cm B. 1.9 km C. 1.9 mm D. 1.9 m