Question: Please help Suppose that D C R and that the function f : D - R is discontinuous at every I E D. (a) (5

Please help

Suppose that D C R and that the function f : D - R is discontinuous at every I E D. (a) (5 pts) Write down the conditions for the discontinuity of a function at a point r in its domain. (b) (10 pts) Prove, disprove or discuss arguments pro and/or con the assertion th every x E D is a cluster point of D

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