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anonymous

  • one year ago

What is the domain of the function given in INTERVAL NOTATION:

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  1. anonymous
    • one year ago
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    y=-3sec(pi-2x)+5

  2. anonymous
    • one year ago
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    we need to find the period and where the 1/costhteta =0

  3. anonymous
    • one year ago
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    its 2

  4. anonymous
    • one year ago
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    the period is 2

  5. anonymous
    • one year ago
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    i would disagree and say the period is pi shifted pi to the right and reflected

  6. anonymous
    • one year ago
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    ok

  7. anonymous
    • one year ago
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    but how do we go from there to interval notation

  8. anonymous
    • one year ago
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    \[\:[0,\:\frac{\pi }{4})\cup \left(\frac{\pi }{4},\:\frac{3\pi }{4}\right)\cup \left(\frac{3\pi }{4},\:\frac{5\pi }{4}\right)\cup \left(\frac{5\pi }{4},\:\frac{7\pi }{4}\right)\cup (\frac{7\pi }{4},\:2\pi ]\]

  9. anonymous
    • one year ago
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    is that the domain

  10. anonymous
    • one year ago
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    @mathstudent55 am I right now?

  11. anonymous
    • one year ago
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    @Deeezzzz am I right now?

  12. anonymous
    • one year ago
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    yes that is correct

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spraguer (Moderator)
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