Question: (b) (5 Marks) Let f : R - R be a function with the following property: If(a) - f(b)| (b) (5 Marks) Let f :

(b) (5 Marks) Let f : R + R be a function

(b) (5 Marks) Let f : R - R be a function with the following property: If(a) - f(b)|

(b) (5 Marks) Let f : R + R be a function with the following property: If(a) f (b)l 41a Prove that f is continuous everywhere. (c) (5 Marks) Show that the function x -bl for all e R. 7x2 + 25m + 8 has exactly one real root.

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