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ChinaGurl

  • 4 years ago

Write a function rule for the table. f(x) 2 –8 3 –12 4 –16 5 –20

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  1. Hunus
    • 4 years ago
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    are those alternating x and y values?

  2. ChinaGurl
    • 4 years ago
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  3. ChinaGurl
    • 4 years ago
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    ^CHECK THAT OUT

  4. Hunus
    • 4 years ago
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    if f(2)=-8 f(3)=-12 f(4)=-16 f(5)=-20 The values are changing linearly so we know that the function has a rule of the form f(x) = cx f(2)=2x=-8 x=-4 thus the rule for the function x is to multiply x by negative 4

  5. anonymous
    • 4 years ago
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    looks like \[f(x)=-4x\]

  6. ChinaGurl
    • 4 years ago
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    Is it A or C?

  7. Hunus
    • 4 years ago
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    A.

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