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Let f1(x)={x, x leq x leq 1 and 1 x gt1...

Let `f_1(x)={x, x leq x leq 1 and 1 x gt1 and 0`,otherwise `f_2(x) =f_1 (-x)` for all x abd `f_3(x)=-f_2(x)` for all x and `f_4(x)=-f_3(-x)` for all x Which of the following is necessarily true?

A

`f_(4) (x) = f_(1) (x) ` for all x

B

`f_(1) (x) = - f_(3) (-x) ` for all x

C

`f_(2) (- x) = f_(4) (x) ` for all x

D

`f_(1) + (x) = f_(3) (x) = 0` for all x

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The correct Answer is:
B
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DISHA PUBLICATION-RELATIONS AND FUNCTIONS -EXERCISE - 1
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