Let f : 6,8 → 9,11 be a function defined as f x = x + x 2 (where, . denotes the greatest integer function), then f - 1 x is equal to

Question

Let f : 6,8 → 9,11 be a function defined as f x = x + x 2 (where, . denotes the greatest integer function), then f - 1 x is equal to, x - x 2, – x - 3, x - 3, 1 x + x 2

MARKS App · Accepted Answer

Since f : 6,8 → 9,11 ∴ f x = x + 3 ∴ f - 1 x = x - 3

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