[x rarr k_(1)f(x)=(x^(2)+4x+30)/(x^(2)-8x+18)],[rarr Rquad f(x)=quad " in "1quad -x]

f:R rarr R,f(x)=(2x^(2)-5x+3)/(8x^(2)+9x+11), then f is

f:R rarr R defined by f(x)=(x^(2)+x-2)/(x^(2)+x+1) is

f:R rarr R defined by f(x)=(x^(2)+x-2)/(x^(2)+x+1) is:

f:R rarr R where f(x)=(x^(2)+3x+6)/(x^(2)+x+1), then f(x) is

the function f(x)=(x^(2)+4x+30)/(x^(2)-8x+18) is not one- to-one.

The function f:A rarr R,f(x)=(1)/(sqrt(4x^(2)-1))+ln(x(x^(2)-1)) , f:A rarr R,f(x)=(1)/(sqrt(4x^(2)-1))+ln(x(x^(2)-1)) is (Here A is the largest possible domain of the given function

Which one of the following function is suriective but not injective? (A) f:R rarr R,f(x)=x^(3)+x+1(B)f:R,oo)rarr(0,1],f(x)=e^(|x|)(C)f:R rarr R,f(x)=x^(3)+2x^(2)-x+1(D)f:R rarr R+,f(x)=sqrt(1+x^(2))

If f:R rarr R,f(x)=x^(2), then {x|f(x)=-1} equals

consider the function f:R rarr R,f(x)=(x^(2)-6x+4)/(x^(2)+2x+4) f(x) is