The function `f:[-1/2,0]->B,` defined by `f(x) = cos^-1 (4x^2 + 3x)` is both one-one and onto if

The function f : R rarr [ -1,1 ] defined by f(x) = cos x is (a) both one-one and onto (b) not one-one, but onto (c) one-one, but not onto (d) neither one-one, nor onto

the function f : R rarr [ -1,1 ] defined by f(x) = cos x is (a) both one-one and onto (b) not one-one, but onto (c) one-one, but not onto (d) neither one-one, nor onto

The function f::[0,3]rarr[1,29], defined by f(x)=2x^(3)-15x^(2)+36x+1, is (a) one-one and onto (b) onto but not one-one (c) one-one but not onto (d) neither one-one nor onto

The function f:[0,3]->[1,29] , defined by f(x)=2x^3−15x^2+36x+1 , is (a) one-one and onto (b) onto but not one-one (c) one-one but not onto (d) neither one-one nor onto

The function f:[0,3]->[1,29] , defined by f(x)=2x^3−15x^2+36x+1 , is (a) one-one and onto (b) onto but not one-one (c) one-one but not onto (d) neither one-one nor onto

The function f:[0,3]->[1,29] , defined by f(x)=2x^3−15x^2+36x+1 , is (a) one-one and onto (b) onto but not one-one (c) one-one but not onto (d) neither one-one nor onto

The function f:[0,3]vec[1, 29], defined by f(x)=2x^3-15 x^2+36 x+1, is one-one and onto onto but not one-one one-one but not onto neither one-one nor onto

The function f:[0,3] to [1,29], defined by f(x)=2x^(3)-15x^(2)+36x+1 is (a)one-one and onto (b)onto but not one-one (c)one-one but not onto (d)neither one-one nor onto

Let f:(-1,1) to B , be a function defined by f(x) = tan^(-1)((2x)/(1-x^(2))) , then f is both one-one and onto when B is the interval.