Q11 of 215 Page 3

Mark the correct alternative in each of the following:

The range of the function f(x) = 7–xPx–3 is


Given that f(x) = 7–xPx–3


Here, 7-x ≥ x-3


⇒ 10 ≥ 2x


⇒ 5 ≥ x


So, domain = {3, 4, 5}


Range = {4P0, 3P1, 2P2} = {1, 3, 2}

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