If A={-3,-1,1,3} and `f={(x,1/x)}` Find d.

If A={-3,-1,1,3} and f={(x,1/x)} Find : R_f

If A={-2,-1,1,2} and f={(x,1/x):x} Find :Is f a function?

Givem f(x)= x^2-1 and g(x)= (x+1)/2 find f(3)/(f(3)+g(3)) .

If f(x) is a polynomial of degree 2 such that f(0) = 1,f(1) = 0 and f(3) = 5, find the domain of the function f such that f (x) is never negative.

Show that f : R-{a} rarr R-{-1} defined by f(x)= (a+x)/(a-x) is invertible. Find the formula for f^-1(x) .

If f(x)=x^2-3x+2, A=[(3,1),(-2,0)] , find f(A)

Show that f : [0,1]rarr]0,1] defined by f(x)=1/(x^2+1) is invertible and find f^-1(x) .

If 1/(x+2),1/(x+3),1/(x+5) are in A.P then the value of x will be a)1 b)2 c)3 d)5

If f : [-1,1] rarr R, f(x)=x/(x+2) , show that f is one-one and find the inverseof f : [-1,1] rarr range of f.