In which of the following cases, the function f(x) has vertical tangent at x = 0 ?
`f(x)=sqrt(|x|)`

In which of the following cases, the function f(x) has vertical tangent at x = 0 ? f(x)=x^(2//3)

In which of the following cases, the function f(x) has vertical tangent at x = 0 ? (ii) f(x)=sgnx

In which of the following cases, the function f(x) has vertical tangent at x = 0 ? (v) f(x)={{:(0","," if "xlt0),(1","," if "xge0):}

In which of the following cases, the function f(x) has vertical tangent at x = 0 ? (i) f(x)=x^(1//3)

The function f(x)=|x| has:

The function f(x) = [x] is :

the domian of the function f(x ) = sqrt(cos ) x is :

The domain of the function f(x)=sqrt(cos x) is

The domain of the function f(x)=sqrt(cosx) is :