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13 July, 15:04

Let f (x) = 3x + 2 and g (x) = 7x + 6. Find f • g and its domain.

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  1. 13 July, 15:37
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    21x2 + 32x + 12; all real numbers is the answer
  2. 13 July, 18:54
    0
    The value of f·g is the product of f (x) and g (x). This is shown below,

    f·g = (3x + 2) (7x + 6)

    f·g = 21x² + 32x + 12

    The domain of the function is the value of x that would make the function reasonable. The domain is all real numbers.
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