Answer:
D. The equation represents an arithmetic sequence because the successive y-values have a common difference of 6.
Step-by-step explanation:
y = 6x - 1
f(n) = 6n - 1
f(n + 1) = 6(n + 1) - 1 = 6n + 6 - 1 = 6n + 5
f(n + 1) - f(n) = (6n + 5) - (6n - 1) = 6n + 5 - 6n + 1 = 6 = constant
