Question

F(1)= -34

f(n)=f(n−1) - 3

Find an explicit formula for f(n).

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Answer 1

f(n) = -34 -3(n - 1)

Explanation:

The explicit formula for f(n) is given below:

Given that

f(1)= -34

f(n)=f(n−1) - 3

Based on the above information

f(n) = a1 +d(n -1)

a1 = -34

d = -3

So

f(n) = -34 -3(n - 1)

This above represent an explicit formula