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A 2-column table with 7 rows. The first column is labeled x with entries negative 5, negative 3, negative 1, 1, 3, 5, 7. The second column is labeled f of x with entries 8, 4, 0, negative 2, negative 2, 0, 4.

Which is a valid prediction about the continuous function f(x)?

f(x) ≥ 0 over the interval [5, ∞).
f(x) ≤ 0 over the interval [–1, ∞).
f(x) > 0 over the interval (–∞, 1).
f(x) < 0 over the interval (–∞. –1).

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  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩

4 answers

  1. just examine the choices.
    (a) is ok, because it works for x=5,7
    (b) fails because f(7) = 4
    (c) fails because f(-1) = 0
    (d) fails because f(-5) = 8

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    4. 🚩
  2. i think its B

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  3. The table represents a function.

    A 2-column table with 5 rows. The first column is labeled x with entries negative 6, 7, 4, 3, negative 5. The second column is labeled f of x with entries 8, 3, negative 5, negative 2, 12.

    Which value is an output of the function?

    –6
    –2
    4
    7
    7

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    4. 🚩
  4. what is the answer

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    2. 👎
    3. ℹ️
    4. 🚩

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