Answer:
see below
Step-by-step explanation:
an = 43 - 5(n-1)
Let n=1
a1 = 43 - 5(1-1) = 43 -5(0) = 43
a2 = 43 - 5(2-1) = 43 -5(1) = 38
a3 = 43 - 5(3-1) = 43 -5(2) = 33
a4 = 43 - 5(4-1) = 43 -5(3) = 28
