What is the explicit equation of the pattern 18,16,14

Do you mind if you guys me with this question i’m on number 8

An ant travels at a constant rate of 30cm every 2 minutes. at what speed does the ant travel per minute

Me i need ! find the asymptote and determine the end behavior of the function from the graph. the asymptote of the function is= blank 1 . for very high x-values, y =blank 2 options for blank 1 x=2 x=-2 x=3 x=-3 blank 2 options moves towards negative infinity moves toward the horizontal asymptote moves toward the vertical asymptote moves toward positive infinity