Answer:
Step-by-step explanation:
(r/s)(x) is the quotien of r(x) = 3x - 1 and s(x) = 2x + 1:
r 3x - 1
(-----)(x) = ----------
s 2x + 1
B right? sorry if i’m wrong i’m not the greatest at math english is my subject

The formula of the sum of the arithmetic sequence:

calculate:

substitute

Your answer is: