Step-by-step explanation:
a). i disagree with the student because the next two terms are 36 and 44
with a common difference of 8
b). T{n}= a +(n-1)d
c).T{100}= 4+(100-1)8
T{100} = 4+(99)8
T{100}= 796
d). T{200} = 4+ (200-1)8
T{200} = 4+ (199)8
T{200} = 1596
