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Arturiano [62]
3 years ago
12

Please help!!!!! Really need help it’s for final exam

Mathematics
2 answers:
allochka39001 [22]3 years ago
8 0

Answer:

you are correct

a no. is correct

max2010maxim [7]3 years ago
7 0

Answer:

  • C. x < -1 or 1 < x < 9/5

Step-by-step explanation:

  • 2/(x - 1) > 7/(x + 1)
  • [7(x - 1) - 2(x + 1)]/(x - 1)(x + 1) < 0
  • (7x - 7 - 2x - 2) / (x - 1)(x + 1) < 0
  • (5x - 9) / (x - 1)(x + 1) < 0

<u>Zero's in the ascending order:</u>

  • x = -1, x = 1, x = 9/5

<u>Negative intervals:</u>

  • x < -1, 1 < x < 9/5

Correct choice is C

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