Show that the function `f: RvecR` given by `f(x)=cosxfora l lx in R ,` is neither one-one nor onto

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, AA 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 rarr R to be defined by f(x) = cos x for all x in R is neither one-one nor onto.

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

Let the function f:R→R be defined by f(x)=cosx,∀x∈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.

Show that the modulus function f: RR rarr RR , given by f(x)=|x| is neither one-one nor onto Where |x|={(x " when "x ge 0),(-x " when " x lt 0):}