(1 point) Encrypt the message " MATH " by translating the letters into numbers and then applying the encryption function given, and then translating the numbers back into letters. (a) f(p)=(11p+4)mod26 (b) f(p)=(21p+11)mod26 (c) f(p)=(3p+3)mod26 Use A=0,B=1,C=2,D=3,E=4,F=5,G=6,H=7,I=8,J=9,K=10,L=11,M=12,N=13,O=14,P=15,Q=16,R=17,S=18,T=19,U=20,V=21, W=22,X=23,Y=24,Z=25