Question

A sequence is defined recursively by the formula f(n + 1) = f(n) + 3 . The first term of the sequence is –4. What is the next term in the sequence? –7 –1 1 7

Answer 1

-1

Explanation:

f(1) = -4

f(n + 1) = f(n) + 3

f(1 + 1) = f(1) + 3

f(2) = -4 + 3

f(2) = -1