Answer :
Answer:
31
Step-by-step explanation:
From the expression
F(n + 1) = F(n) -3
>> f(n+1)-f(n) = -3
f(n) = f(n+1) + 3
f(4)- f(3) = -3
f(4) + 3 = f(3)
22 + 3 = 25 = f(3)
Similarly ; f(2) = f(3) + 3 = 25 + 3 = 28
f(1)= f(2) + 3 = 28 + 3 = 31
Answer:
31
Step-by-step explanation:
From the expression
F(n + 1) = F(n) -3
>> f(n+1)-f(n) = -3
f(n) = f(n+1) + 3
f(4)- f(3) = -3
f(4) + 3 = f(3)
22 + 3 = 25 = f(3)
Similarly ; f(2) = f(3) + 3 = 25 + 3 = 28
f(1)= f(2) + 3 = 28 + 3 = 31