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BethMoses2008

  • 4 months ago

If f(x)=-3x-1, find f(4)

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  1. myininaya
    • 4 months ago
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    just replace all the x's in f(x)=-3x-1 with 4

  2. BethMoses2008
    • 4 months ago
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    Thanks

  3. BethMoses2008
    • 4 months ago
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    If f(x)=-x2+x divide by x, find f(2)

  4. myininaya
    • 4 months ago
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    @spandana please don't just give the answer Please try to get the asker involved next time. Thanks.

  5. BethMoses2008
    • 4 months ago
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    Do you know the answer?

  6. myininaya
    • 4 months ago
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    you should try this one @BethMoses2008 f(2) means to replace all the x's with 2's in f(x)=-x^2+x

  7. BethMoses2008
    • 4 months ago
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    okay thanks

  8. myininaya
    • 4 months ago
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    what did you get when you replaced all the x's with 2's?

  9. AnswerMyQuestions
    • 4 months ago
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    @BethMoses2008 Since you know how to do it, can you find the answer?

  10. BethMoses2008
    • 4 months ago
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    Is 4

  11. BethMoses2008
    • 4 months ago
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    4^3+1=65

  12. myininaya
    • 4 months ago
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    ok first step i asked you to do what to replace all the x's with 2's so you have -2^2+2 what is 2^2?

  13. BethMoses2008
    • 4 months ago
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    If f(1) f(x)=4x^3+x, find f(1)

  14. BethMoses2008
    • 4 months ago
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    I think it's 65

  15. myininaya
    • 4 months ago
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    I'm trying to tell you answered incorrectly to the previous one the answer is not 4.

  16. myininaya
    • 4 months ago
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    -2^2+2 is not 4

  17. BethMoses2008
    • 4 months ago
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    It's 3

  18. BethMoses2008
    • 4 months ago
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    Right

  19. BethMoses2008
    • 4 months ago
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    Typ

  20. BethMoses2008
    • 4 months ago
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    I forgot to add 2

  21. BethMoses2008
    • 4 months ago
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    Nevermind

  22. BethMoses2008
    • 4 months ago
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    If f(x)=-2, find f(5)

  23. myininaya
    • 4 months ago
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    well 3 is not the right answer to evaluating -2^2+2 let's try to take it slow you are to apply order of operations there are no grouping symbols so let's do the exponents the exponent is only on the 2 if were to be on the -2 it would look like (-2)^2 but we have -2^2 so first exponents what is 2^2?

  24. BethMoses2008
    • 4 months ago
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    If f(x)=-2, find f(5)

  25. myininaya
    • 4 months ago
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    if you aren't willing to answer my questions, then i cannot help you. sorry.

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