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Q36 of 215 Page 3

Mark the correct alternative in each of the following:

Let Then, {fo(fof)} (x)


Given that


, for x≠1





, for x≠0




⇒ fofof = x for all x ϵ R –{0, 1}

More from this chapter

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34

Mark the correct alternative in each of the following:

Let A = {x ϵR : x ≥ 1}. The inverse of the function f : A → A given by f(x) = 2x(x–1), is


35

Mark the correct alternative in each of the following:

Let A = {x ϵ R: x ≤ 1} and f : A → A given by f(x) = x(2 – x).Then, f–1(x) is


37

Mark the correct alternative in each of the following:

If the function f: R → R be such that f(x) = x – [x], where [x] denotes the greatest integer less than or equal to x, then f–1 (x) is


38

Mark the correct alternative in each of the following:

If F: [1, ∞) → [2, ∞) is given by then f–1(x) equals.


Questions · 215
2. Functions
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