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1 December, 09:44

What is the rule for (fg) (x) for functions f (x) = x^2-9 and g (x) = 2x

2x²-7x

2x^3+

2x^3 + 2x-9

2x^3-18x

what is the rule for (fg) (x) for functions f (x) = 2x^2-8 and g (x) = x+2

3x-6

3x²-10

2x²-x-10

x-10

+2
Answers (2)
  1. 1 December, 12:42
    0
    Answer:did you get all 5 of these?
  2. 1 December, 13:15
    0
    The last choice 2x^3 - 18x.

    Step-by-step explanation:

    (fg) (x) - f (x) * g (x)

    = (x^2 - 9) (2x)

    = 2x^3 - 18x.
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