Question

Enter the first 8 terms of the sequence with f(1) = 42 and f(n) = f(n − 1) − 5 for each whole number greater than 1.

Answer 1

f(1) = 42
f(n) = f(n-1) - 5

f(2) = f(1) - 5
f(2) = 42-5
f(2) = 37

a1 = 42
a2 = 37
r = 5
PA: (42, 37, 32, 27, 22,  17, 12, 7)