i Let f(x) = r° and c= 0.01. Find an interval (a, b) containing c such that f(x) > 0 for all z € (a, b). ii Let f(x) = r³. Let f(c) > 0 for some c. Find an interval (a, b) containing c such that f(r) > 0 for all z € (a, b). 4.

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