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KJ4UTS

  • one year ago

Use your calculator to calculate f(-3.58) if f is the function given by the formula f(x)=-8.7x+0.8 Express your answer as a real number accurate to two decimal places. Im not sure how to set this up? Please explain. Thank you!

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  1. mathmath333
    • one year ago
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    just put f(x)=-8.7x+0.8 x=-3.58

  2. mathmath333
    • one year ago
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    =-8.7*-3.58+0.8=?

  3. KJ4UTS
    • one year ago
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    so like this f(x)=-8.7(-3.58)+0.8

  4. mathmath333
    • one year ago
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    yes calculate that with calculater

  5. KJ4UTS
    • one year ago
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    31.946

  6. mathmath333
    • one year ago
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    corect

  7. KJ4UTS
    • one year ago
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    @mathmath333 thank you, so would 31.95 be considered a real number accurate to two decimal places.

  8. mathmath333
    • one year ago
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    yes

  9. KJ4UTS
    • one year ago
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    ok thank you very much for you time and help!

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