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anonymous

  • 5 years ago

State whether the function is continuous at the indicated point. If it is not continuous, tell why. 36-9x/x-4 ; x=4 A) Not continuous, f(4) does not exist B) Not continuous; lim x->4 f(x) does not exist C) Not continuous; lim x->4 f(x) and f(4) exist but lim x->4 f(x) different from f(4) D) Continuous

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  1. bahrom7893
    • 5 years ago
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    is x-4 the whole thing in the denominator?

  2. anonymous
    • 5 years ago
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    yes

  3. anonymous
    • 5 years ago
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    You can devide anything by zero

  4. anonymous
    • 5 years ago
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    what makes the denominator 0?

  5. bahrom7893
    • 5 years ago
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    and is 36-9x the whole thing in the numerator?

  6. anonymous
    • 5 years ago
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    yes

  7. bahrom7893
    • 5 years ago
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    it has a removable discontinuity at that point

  8. anonymous
    • 5 years ago
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    which is -9

  9. bahrom7893
    • 5 years ago
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    yeah

  10. anonymous
    • 5 years ago
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    but i dont know which of the options fits my answer

  11. bahrom7893
    • 5 years ago
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    yeah, let me check right and left hand limits

  12. anonymous
    • 5 years ago
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    i think is A, but i am not sure

  13. anonymous
    • 5 years ago
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    ok

  14. bahrom7893
    • 5 years ago
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    its B

  15. bahrom7893
    • 5 years ago
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    limit doesnt exist, because if u approach 4 from the left, theoretically, you will get some negative number and if u apporach from right - positive

  16. bahrom7893
    • 5 years ago
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    want me to show u the work?

  17. bahrom7893
    • 5 years ago
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    go here: http://www.twiddla.com/499656

  18. anonymous
    • 5 years ago
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    I can just update my work there?

  19. bahrom7893
    • 5 years ago
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    no just click on that link, im there its like a whiteboard

  20. anonymous
    • 5 years ago
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    aah got it

  21. anonymous
    • 5 years ago
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    im there

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