Question

if f:r to r find the range of f(x) =x^2​

Answer 1

QUESTION :

find the range of f(x) =x^2

ANSWER :

let f(x) =y

To find range of f(x) = x² or y = x², first write x in terms of y :-

√y = x

Now since y is under root therefore =>

$y \geqslant 0$

Therefore the range of function f(x) = x² is =>

$f(x) \geqslant 0$

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