FunctionHard
Question
If f : R → R, f(x) = x2, then {x| f (x) = −1} equals-
Options
A.{−1, 1}
B.{1}
C.φ
D.None of these
More Function Questions
If f(x + ay, x − ay ) = axy, then f (x,y) equals-...Let $\lbrack t\rbrack$ denote the greatest integer less than or equal to $t$. If the function$$f(x) = \left\{ \begin{mat...Let f(x) = x2 and g(x) = sinx for all xε R. Then the set of all x satisfying (f o g o g o f ) (x) = (g o g o f ) (x...If f(x) is defined on (0, 1) then the domain of definition of f(ex) + f(ln | x | ) is -...Function f : R → R+, f(x) = x2 + 2 and g : R+ → R, g(x) = then the value of gof (2) is -...