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anonymous

  • one year ago

Why is the range not all real numbers for this function: f(x)=sin^-1(x)

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  1. anonymous
    • one year ago
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    @ganeshie8 @campbell_st

  2. campbell_st
    • one year ago
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    the domain is restricted so that it is a function.... hence the restriction on the range

  3. anonymous
    • one year ago
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    wait can you explain in it in a more thorough way

  4. anonymous
    • one year ago
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    @campbell_st

  5. campbell_st
    • one year ago
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    well do you know the definition of a function...?

  6. anonymous
    • one year ago
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    a relationship that involves one or more variables

  7. anonymous
    • one year ago
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    @campbell_st

  8. campbell_st
    • one year ago
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    ok... so here is the graph |dw:1438027719063:dw| a simple test for a function is called the vertical line test, hopefully you have know it. but a relationship is a function is a vertical line only cuts the curve in 1 place if you curve us continued |dw:1438027846892:dw| the curve when extended to pi and -pi fails the vertical line test so its not a function....

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spraguer (Moderator)
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