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kitsune0724

  • 3 years ago

f(x)=x^3. How do I find the domain and range? Please and thank you?

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  1. nitz
    • 3 years ago
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    \[x \in R\]

  2. kitsune0724
    • 3 years ago
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    Thank you.

  3. nitz
    • 3 years ago
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    WELCOME.........

  4. nitz
    • 3 years ago
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    in this case domain and range both are R

  5. kitsune0724
    • 3 years ago
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    so if f(x)=x^4 would have the same answer, right?

  6. nitz
    • 3 years ago
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    IN THIS case domain is R

  7. nitz
    • 3 years ago
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    \[[0,\infty)\]

  8. nitz
    • 3 years ago
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    range is \[[0,\infty)\]

  9. kitsune0724
    • 3 years ago
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    Thank you again. You're so much help.

  10. nitz
    • 3 years ago
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    any other question.......?

  11. kitsune0724
    • 3 years ago
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    yes.

  12. kitsune0724
    • 3 years ago
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    f(x)= square root x+4-2

  13. nitz
    • 3 years ago
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    can u please drawn it.......

  14. kitsune0724
    • 3 years ago
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    ok

  15. nitz
    • 3 years ago
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    is it \[\sqrt{x+4}-2\] ??

  16. kitsune0724
    • 3 years ago
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    \[f(x) equals \sqrt{x+4} -2\]

  17. nitz
    • 3 years ago
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    here domain is \[x+4\ge 0 \implies x \ge 4\]

  18. nitz
    • 3 years ago
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    sorry\[x \ge -4\]

  19. nitz
    • 3 years ago
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    range is R

  20. kitsune0724
    • 3 years ago
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    Thank you. ^_^

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