Question

Use the recursive formula f(n) = 0.4 ⋅ f(n − 1) + 12 to determine the 2nd term if f(1) = 4.

Answer 1

f(2) = 13.6

Explanation:

Using the recursive formula and f(1) = 4 , then

f(2) = 0.4 f(1) + 12 = (0.4) × 4) + 12 = 1.6 + 12 = 13.6