show that the function f defined by f(x) = x-4 / x-4 when x not equal to 4 and 0 when x = 4 is continuous everywhere except at x=4

M R Sharan Sharan's image
M R Sharan Sharan
Jan. 13, 2019, 2:51 p.m.

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M R Sharan Sharan's image
M R Sharan Sharan
Jan. 13, 2019, 2:52 p.m.

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