Step-by-step explanation:
You are just replacing the 'n' with the number in the 'n box'.
So if this is the formula:
[tex]b(n) = 4 - (n \div 3)[/tex]
then:
B(-3)= 4-(-3/3)
B(-3)= 4-( -1)
B(-3)= 4+1
B(-3)= 5
B(0)= 4-(0/3)
B(0)= 4-0
B(0)= 4
B(3)= 4-(3/3)
B(3)= 4-1
B(3)= 3
