Answer:
1.2
Step-by-step explanation:
setup: 6/5 = 1.2
Percentage error

Here error = 16 - 15.4 = 0.6
Therefore, percentage error

=3.9%
Answer:
r-100
Step-by-step explanation:
R-100 R-100 R-100
Answer:
Dom(gof)=Dom(f)={1,3,4}.
(gof)(1)=g{f(1)}=g(2)=3.
(gof)(3)=g{f(3)}=g(5)=1.
(gof)(4)=g{f(4)}=g(1)=3.
∴gof={(1,3),(3,1),(4,3)}.