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  3. 5. (a) let f : r {?1} ? r, f(x) = x+1. show that.

5. (a) Let f : R {?1} ? R, f(x) = x+1. Show that...

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Advance Math

5. (a) Let f : R {?1} ? R, f(x) = x+1. Show that f isinjective, but not surjective.

(b) Suppose g : R{?1} ? R{a} is a function such that g(x) =x?1, where a ? R. Determine x+1

a, show that g is bijective and determine its inversefunction.

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