2. Recall that the characteristic function of a set E is defined as I is in E 1, Xe(z) = { 0, z is not in E Let E be the set of rational numbers in [0,1]. Show that Xe is not continuous on E. Hint: Assume it is and Use the IVT to get a contradiction.

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A: Yes, Sure post your questions we will solve all of your doubts.

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A: according to our guidelines we can answer only three subparts, or first question and rest can be…

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A: Use the intersecting secant theorem to find the value of x .

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A: Add the given numbers. The first sum is 427+37. 427+37=4×7+27+37=28+27+37=307+37=337

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