Problems 32-47
Part a; let n = 1 and evaluate the formula for the first term; then let
n = 2 and evaluate for the second term; finally, let n = 3 and evaluate
to find the third term. See Examples 2 (arithmetic), 4 (geometric), and 8 (Fibonacci).
Part b; begin by checking to see if there is a common difference (arithmetic);
then if there is a common ratio (geometric); finally, cleck to see if it is Fibonacci-type.
Note: Homework Hints are given only for the levels 1 and 2 problems.