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15 December, 20:29

The domain for f (x) and g (x) is the set of all real numbers.

Let f (x) = 3x + 5 and g (x) = x2.

Find (f + g) (x).

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Answers (1)
  1. 15 December, 20:48
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    (f + g) (x) = x² + 3x + 5

    Step-by-step explanation:

    There are two different functions f (x) and g (x) with domain the set of all real numbers and given by

    f (x) = 3x + 5 and

    g (x) = x²

    Now, we have to find the function (f + g) (x) which is obtained by simple arithmetic addition of the two functions.

    Therefore, (f + g) (x) = f (x) + g (x) = (3x + 5) + (x²) = x² + 3x + 5 (Answer)
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