Find the elasticity.q = D(x) = 
A. E(x) = 1800x(x + 7)
B. E(x) = 
C. E(x) = 
D. E(x) = 
Answer: D
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Provide an appropriate response.Let f(x) = x3 - x and g(x) = 2x2 + 9x. Find (f - g)(-2)
A. 20 B. -36 C. 4 D. 0
A piecewise function is given. Use the properties of limits to find the indicated limits, or state that the limit does not exist.f(x) = 
a. 
f(x)
b. 
f(x)
c. 
style="vertical-align: -21.0px;" />f(x) A. a. 5 b. 5 c. 4 B. a. 5 b. 5 c. 5 C. a. 4 b. 6 c. does not exist D. a. 5 b. 4 c. does not exist
Solve the inequality. Express your answer using interval notation. Graph the solution set.|8k + 1| ? 2
A. [
, ?)
B. [- 
, 
]
C. (-?, - 
] ? [
, ?)
D. (- 
, 
)
Solve the problem.Find the volume V of a sphere of diameter 10 m. Use 3.14 for ?. If necessary, round the result to the nearest tenth.
A. V = 67 cm3 B. V = 2143.6 cm3 C. V = 267.9 cm3 D. V = 150.7 cm3