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Let f(x)= 2x - 1, g(x)= 3x - 2. Find the domain of the function,(f + g)(x)

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clearly,
(f + g)(x) = 5x - 3

which is linear, thus the domain is the set of all real numbers.

Thank you. Can you explain to me the difference between ( and [ ?

The range of the function f(x)=(1/2) is the set of?

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