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countrygirl1431

  • one year ago

PLZ HELP!!!! Given that ƒ(x) = x² + 5x, evaluate ƒ(-2). -6 -14 7

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  1. anonymous
    • one year ago
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    Okay what grade?

  2. anonymous
    • one year ago
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    just tagg me or message me when you say the grade :)

  3. campbell_st
    • one year ago
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    f(-2) is asking you to subsitute x = -2 and get a number value so its \[f(-2) = (-2)^2 + 5 \times (-2)\]

  4. countrygirl1431
    • one year ago
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    11th @west_coast

  5. countrygirl1431
    • one year ago
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    only if u ask them

  6. anonymous
    • one year ago
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    Okay f=x

  7. anonymous
    • one year ago
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    no i never asked them they just gave me it

  8. countrygirl1431
    • one year ago
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    oh well then

  9. anonymous
    • one year ago
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    so x can be anything but its to the second power or whatever

  10. anonymous
    • one year ago
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    so if x=2 its would be 2*2 you get it?

  11. anonymous
    • one year ago
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    Okay plug in all those numbers at the bottom

  12. anonymous
    • one year ago
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    So im guessing they have to equal the same as 5x?

  13. countrygirl1431
    • one year ago
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    i guess

  14. anonymous
    • one year ago
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    Okay let me do this

  15. countrygirl1431
    • one year ago
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    k

  16. anonymous
    • one year ago
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    7 doesn't work

  17. anonymous
    • one year ago
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    and -14 dosent work

  18. countrygirl1431
    • one year ago
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    so -6

  19. anonymous
    • one year ago
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    let me try -6

  20. anonymous
    • one year ago
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    uhg no

  21. anonymous
    • one year ago
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    i think im doing this wrong because 6*6 is 36 and 5*6 is 30 so

  22. anonymous
    • one year ago
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    WAIT I FORGOT TO ADD OMG WAIT

  23. anonymous
    • one year ago
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    tbh i think its -6

  24. anonymous
    • one year ago
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    i gtg but if you need more help just message me ot tagg me

  25. countrygirl1431
    • one year ago
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    k thanks

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