" Which of the following is/are true for "f(x)=sgn(x)times sin x?

Which of the following is true for f(x)=sgn(x)xx sin x

Which of the following is true for f(x) = sgn(x) xx sin x

If f(x)=sgn(x^(5)), then which of the following is/are false (where sgn denotes signum function)

If f(x) = sgn(x^5) , then which of the following is/are false (where sgn denotes signum function)

Which of the following represents the graph of f(x)=sgn([x+1])

Which of the following functions are periodic? f(x)={|sgn(x)|,x!=01,x=0

If f(x)=x^3sgn(x), then

Which of the following are correct (where [.] denotes greatest integer function and {.} fractional part function) (a) 1 le [x] le 5 rArr x in [1,6) (b) ubrace(sgn(sgn(sgn(sgn"........"sgn(x)))))_("n times composition")=sgn(x)