The total number of inches r(t) of rain during a storm of length t hours can be approximated by r(t) = at t + b , where a and b are positive constants that depend on the geographical locale. (a) discuss the variation of r(t) as t → ∞.

Describe a pattern in each sequence what are the next two terms of each sequence -5, 5, -5, 5 a. subtract 10 from the previous term; -5,5 b. multiply the previous term by 1; 5, 5 c. add 10 to the previous term; -5, -15 d. multiply the previous term by -1; -5, 5