Select the function that defines the given sequence,
-8, -20, -50, -125,- 28
a
f(1) = 8
s(n) = -7.1(n-1), for n = 2, 3, 4,
b. f(1) = -8
f(n) =
f(n − 1), for n = 2, 3, 4,
©c f(n) = -8()– 1)
d. f(n) = -8 (-5)n 1)