" The function "f:R rarr R" defined by "f(x)=(x-1)(x-2)(x-3)" is "

The function f:R rarr R is defined by f(x)=(x-1)(x-2)(x-3) is

The function f:R rarr R defined by f(x)=x(x-2)(x-3) is

The function f:R rarr R is defined by f(x)=3^(-x)

f:R rarr R defined by f(x)=x^(3)-4

the function f:R rarr R defined as f(x)=x^(3) is

The function f:R rarr R defined as f(x) = x^3 is:

The function f:R rarr R defined by f(x)=x+sqrt(x^(2)) is

" If the function "f:R rarr R" defined by "f(x)=(3^(x)+3^(-x))/(2)," then show that "f(x+y)+f(x-y)=2f(x)f(y)"

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