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onegirl

Explain why each function is discontinuous at the given point.

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  1. onegirl
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    f(x) = x/x - 1 at x = 1

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    @saifoo.khan can u help?

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    @zepdrix can u help?

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    @jim_thompson5910 can u helppp??

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  5. jim_thompson5910
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    you CANNOT divide by zero so the denominator x-1 CANNOT be zero if it were, then x-1 = 0 x-1+1 = 0+1 x = 1 So x = 1 makes the denominator x - 1 equal to zero To avoid dividing by zero, x = 1 is kicked out of the domain. This explains why there is a discontinuity here.

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