Question

F(1)=−71

f(n)=f(n−1)⋅4.2

Find an explicit formula for f(n).

Answer 1

The explicit formula for f(n) is:

`f(n) = -71 \cdot 4.2^(n-1)`

Explanation:

The explicit formula is described by the following geometrical progression:

`f(n) = -71 \cdot 4.2^(n-1)`