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8 July, 14:25

X) = 5x^3 - 2x and g (x) = 3x^3. Find f (x) + g (x) & state the domain!

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  1. 8 July, 14:57
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    To add two functions, combine like terms. (5+3x^ (3)) = 8x^3-2x. The domain is all real numbers. There is no bound on how small or large the numbers can be for cubed functions.
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