For the given functions f and g, find the requested function and state its domain.f(x) = 
; g(x) = 
Find f + g.
A. (f + g)(x) = 
; {x|x ? 0}
B. (f + g)(x) = 
; {x|x ? 
}
C. (f + g)(x) = 
; {x|x ? 
}
D. (f + g)(x) = 
; {x|x ? 
, x ? 
}
Answer: C
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Solve the problem.What is the coefficient of a3b5c2 in the expansion of (a - b + c)10?
A. 2520 B. -362,880 C. -2520 D. 362,880
Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex fifth roots of -2i
A. 32(cos 54° + i sin 54°), 32(cos 126° + i sin 126°), 32(cos 198° + i sin 198°), 32(cos 270° + i sin 270°), 
B. 
(cos 54° + i sin 54°), 
(cos 126° + i sin 126°), 
(cos 198° + i sin 198°), 
(cos 270° + i sin 270°), 
C. 
(cos 54° + i sin 54°), 
(cos 126° + i sin 126°), 
(cos 198° + i sin 198°), 
(cos 270° + i sin 270°), 
D. 
(cos 45° + i sin 45°), 
(cos 117° + i sin 117°), 
(cos 189° + i sin 189°), 
(cos 261° + i sin 261°), 
Add.
A. 1337 B. 927 C. 829 D. 930
First use front-end rounding to write an estimate of the answer, and then add the decimals to obtain an exact answer.EstimateProblem
?
A. Estimate: 14, exact: 14.3422 B. Estimate: 14, exact: 14.3322 C. Estimate: 16, exact: 15.3422 D. Estimate: 15, exact: 15.3322