If f of x is equal to x and g of x is equal to 2 , what is open paren f circ g close paren times x ?
A
open paren f circ g close paren times x is equal to 2B
open paren f circ g close paren times x is equal to x plus 2C
open paren f circ g close paren times x is equal to 2 xD
open paren f circ g close paren times x is equal to x over 2