Determine the domain of f.f(x) = 
A. (-?, ?)
B. (-?, 0]
C. (-?, 0) ? (0, ?)
D. [0, ?)
Answer: A
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Solve the equation.a - 2 = 10
A. 12 B. -12 C. -8 D. 8
Solve the problem.A child on a swing initially swings through an arc length of 12 meters. The child stops pushing and sits patiently waiting for the swing to stop moving. If friction slows the swing so the length of each arc is 80% of the length of the previous arc, how far will the child have traveled before the swing stops?
A. 24 m B. 60 m C. The child will travel an infinite distance. D. 25 m
Solve. J. Hartley poolbuilders charges $15,600 to build a residential swimming pool. Their costs are $1568 for excavation and steel reinforcement; $1555 for concrete and plaster; $2850 for tile and coping; $1675 for plumbing and electric work; and $2579 for equipment. What is their profit?
Fill in the blank(s) with the appropriate word(s).
Provide an appropriate response.If f(x) = x3x + 1, then f'(x) =
A. (3x + 1)x3x.
B. (2x + ln x)x3x + 1.
C. 
+ 3 ln x.
D. (ln x)x3x.
E. x3x + 1
.