Answer:
#Addition#
f(x) = x -1 and g(x)= x - 4
=x-1+x-4
=x²-5
#Subtraction#
f(x) = x -1 and g(x)= x - 4
=(x-1)-(x-4)
=x-1-x-4
=3
#Multiplication#
f(x) = x -1 and g(x)= x - 4
=(x-1) (x-4)
=x²-4x-1x+4
=x²-5x+4
#LEARNING IS FUN
#STUDY HARD
#CARRY-ON-LEARNING
