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12 December, 11:01

F (x) = 4x2 - 8x + 1 and g (x) = 3x2 - 7x - 6

find f (x) and g (x)

A) x2 - x + 7

B) x2 + x + 7

C) x2 - x - 7

D) x2 - 15x - 5

+4
Answers (2)
  1. 12 December, 11:07
    0
    Solve the system of equations

    4x2 - 8x + 1

    3x2 - 7x - 6

    Multiply the 2nd line by - 1

    4x2 - 8x + 1

    -3x2 + 7x + 6

    Add the lines together

    x2 - x + 7

    Answer: a)
  2. 12 December, 11:29
    0
    The correct answer is probably B but im not sure
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