2. (5 points) Write a recursive rule for the arithmetic sequence: 3.9, 8.2, 12.5, 16.8, 21.1, ...

3. (5 points) Write an explicit rule for the geometric sequence: 2048, 512, 128, 32, ...

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Is the point (0, 8) on the x-axis or y-axis? how do you know?