Show that the function `f: R->R` given by `f(x)=cosx` for all `x in R` , is neither one-one nor onto.

Show that the function f:R rarr R given by f(x)=cos x for all x in R, is neither one- one nor onto

Show that the function f:R rarr R given by f(x)=cos x function f:R, is neither one-one nor onto.

Show that the Modulus Function f" ": R->R , given by f" "(x)" "=" "|" "x" "| , is neither one-one nor onto, where |" "x" "| is x, if x is positive or 0 and |" "x" "| is " "x , if x is negative.

Let the function f:R to R be defined by f(x)=cos x, AA x in R. Show that f is neither one-one nor onto.

Show that the function f:R rarr R defined by f(x)=(x)/(x^(2)+1)AA x in R is neither one-one nor onto.Also if g:R rarr R is defined by g(x)=2x-1 find fog(x)

Show that the Signum function f:R rarr R , given by f(x)={[1,x>00,x=0-1,x<0]) is neither one-one nor onto

Show that the function f : R rarr R defined by f(x) = cos (5x+3) is neither one-one not onto.

Show that the modulus function f:R rarr R , given by f(x)=|x| is neither one-one nor onto.

Show that the function f;R-.R defined by f(x)=cos(5x+2) is neither one-one nor onto ?

Show that f:R rarr R, given by f(x)=x-[x], is neither one-one nor onto.