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I need help! I’m really confused and really looking for the answers

I need help! I’m really confused and really looking for the answers-example-1
User Papalagi
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2 Answers

6 votes

B. the function is never going to increase, since the graph indicates that the sketched function is going to the negative infinity

User TBhavnani
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3 votes

Answer: A. (-∞, -2) ∪ (-1, 0)

B. (2, -1) ∪ (0, ∞)

C. None

Explanation:

Let's look at the graph from left to right to see what direction it is going:

  • It is increasing (↑) from x = -∞ to x = -2
  • It is (↓) decreasing from x = -2 to x = -1
  • It is increasing (↑) from x = -1 to x = 0
  • It is (↓) decreasing from x = 0 to x = ∞

There are no straight lines so there are no intervals when it is constant.

User Mighty Ferengi
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