(5) 20 pts) Let F= {f:R R} - the set of all real-valued functions. Determine if the following statements are true or false. Explain why. (a) (5pt) VEF 39 EF fog=go f = id. (b) (5pt) 3f EF Vg E F fog=go f = id. (C) (5pt) V EF Vg E F fog=go f = id. (d) (5pt) 3f EF 39 EF fog=go f = id. Explain you answers. (e) (+5pt) Negate and simplify VEF 39 EF fog=go f = id