Question: Consider f: Ro Ro given by f(x) = 25- (a) Is f injective? (b) Is f surjective? Hint: it may be useful to consider

Consider f: Ro Ro given by f(x) = 25- (a) Is f

Consider f: Ro Ro given by f(x) = 25- (a) Is f injective? (b) Is f surjective? Hint: it may be useful to consider two cases for 2 R: when 0 2 < and when 20. (c) Is f bijective? (d) Does f admit a left or right inverse? Prove, using the definition of a limit, that i lim n-tx 3+ 7 2n + 3.

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