draveon5887 draveon5887

08-09-2018
Mathematics

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Find the functions and their domains. (enter the domains in interval notation.) f(x) = x + 1 x , g(x) = x + 8 x + 2

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tramserran tramserran

08-09-2018

f(x) = x + x

= 2x

Since there are no restrictions on "x", then the domain is ALL REAL NUMBERS

(-∞, ∞)

g(x) = x + 8x + 2

= 9x + 2

Since there are no restrictions on "x", then the domain is ALL REAL NUMBERS

(-∞, ∞)

Answers: domain f(x) = (-∞, ∞), domain g(x) = (-∞, ∞)

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