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9 May, 09:41

What are the restrictions of q²+3q-4 over q²-7q-8, and why?

A. q≠ - 1 and q≠ 8

B. q≠ - 1 and q≠4

C. q≠ 1 and q≠-8

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Answers (2)
  1. 9 May, 10:16
    0
    simply A.

    q≠ - 1 and q≠ 8
  2. 9 May, 13:04
    0
    A. q≠ - 1 and q≠ 8

    Step-by-step explanation:

    the restrictions are based on the denominator

    (q²-7q-8)

    factor this

    (q-8) (q+1)

    using the zero product property

    q-8=0 and q+1 = 0

    q = 8 q=-1

    the denominator cannot equal zero so q≠ 8 and q≠-1
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