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csimpson95

  • 3 years ago

i so dont get this! what about find f(-4) for the function below f(x)=-5|x|

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  1. Shi
    • 3 years ago
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    did you get a wrong answer? or how did you try to solve it?

  2. rainbow22
    • 3 years ago
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    -20

  3. Chipper10
    • 3 years ago
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    f(-4) is shorthand for evaluate f when x = -4. So just substitute -4 for x

  4. rainbow22
    • 3 years ago
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    The absolute value of -4 would be 4 and 4 times -5 equals -20

  5. csimpson95
    • 3 years ago
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    thank you guys! this poor momma needs a refresher course!

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