Given functions f and g, determine the domain of f + g.f(x) = 5x + 5,g(x) = 

A. (-?, -3) or (-3, ?)
B. (-?, 6) or (6, ?)
C. (-?, ?)
D. (0, ?)


Answer: B

Mathematics

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Solve the problem.A coil of wire rotating in a magnetic field induces a voltage given by  e = 20 sin ,where t is time in seconds. Find the smallest positive time to produce a voltage of 10.

A. 2.8 sec B. 3 sec C. 2.8? sec D. 3? sec

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Find the amount to be paid by the insurance company. Assume the policy includes an 80% coinsurance clause. Round to the nearest dollar.Replacement Cost of Building: $340,000Face Value of Policy: $306,000Amount of Loss: $2,500

A. $2,222 B. $2,000 C. $2,500 D. $2,813

Mathematics

Simplify the polynomial by combining like terms.9x2 - 10x - 5 + -6x2 - 7x + 9

A. 3x2 - 17x + 4 B. 3x2 + 17x + 4 C. 3x2 - 17x - 14 D. 3x2 - 4x - 14

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