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Discontinuous Functions

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Find the values of f(x) at which each of the following functions is discontinuous. Why is the function discontinuous at that value?

a) f(x)= {2x+5, x<1
{x+6, x is greater than or equal to 1

b) f(x)= {2x+5, x is not equal to 1
{3, x=1

c) f(x)= 1/x

d) f(x)= {(x^2)+10}/{(x^2)-x-2}

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Solution Summary

Discontinuous functions are investigated.

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