Which of the following are true for all regular languages and all homomorphisms? $($a$)$ h$($L$\_1\backslash$cup L$\_2)=$h$($L$\_1)\backslash$cup h$($L$\_2).($b$)$ h$($L$\_1\backslash$cap L$\_2)=$h$($L$\_1)\backslash$cap h$($L$\_2).($c$)$ h$($L$\_1$ L$\_2)=$h$($L$\_1)$ h$($L$\_2)$