" For what value of "k," is the function "f(x)={[(1-cos4x)/(8x^(2)),,x!=0],[k,,x=0]" continuous at "x=0?

For what value of k, the function f(x)={((x)/(|x|+2x^(2))",", x ne 0),(k",", x=0):} is continuous at x = 0 ?

For what value of k is the function f(x)={(sin2x)/(x),quad x!=0k,quad x=0 continuous at x=0?

For what value of k, the function f(x)={{:((sin2x)/(x)", "x!=0),(k", "x=0):} is continuous at x=0 ?

For what value of k is the function f(x)={(sin2x)/x ,\ \ \ x!=0k ,\ \ \ x=0 continuous at x=0 ?

For what value of k, the function f(x)={((tan2x)/(x)", if "x!=0),(k", if "x=0):} is continuous at x=0 ?

The value of k for which the function f(x)={(sin3x)/(x), if x!=0, k if x=0 is continuous at x=0 is

For what value of k is the function f(x)={k(|x|)/(x),x =0 continuous at x=0?

If the function f(x)={[(cos x)^((1)/(x)),x!=0k,x=0k,x=0]} is continuos at x=0 then the value of k]}