Challenge Problems

Anyone is allowed to participate. Justify your answers.

18 thoughts on “Challenge Problems

  1. Does there exist a function with infinitely many removable, essential, jump and oscillating discontinuities?

  2. Does there exists a function that goes through the point(s):
    $$ (x_1,y_1),(x_2,y_2),(x_3,y_3),(x_4,y_4), …, (x_n,y_n)$$
    for any positive integer \(n \)

  3. Consider the region bounded by the graphs of
    $$f(x) = \sqrt{4-x^2}, x = -1, x = \sqrt{3},$$
    and the \(x\)-axis:

    Use a basic geometric argument to determine the area of the shaded region. (Arguments involving integration are not allowed)

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