Question

Mike is training for a marathon. To prepare, he starts by running 5 miles the first week and increases the distance he runs each week by 2 miles. Mike’s plan is modeled by the sequence an=5+(n−1)⋅2
.

Use the arithmetic sequence formula an=5+(n−1)⋅2
to complete the missing values in the table. This table displays x-values with missing corresponding y-values to be filled in.

(1 point)
Distance Per Week

Week (n) Distance (miles)
2
4

Answer 1

Week 2: a2 = 5 + (2−1)·2 = 5 + 2 = 7 miles
Week 4: a4 = 5 + (4−1)·2 = 5 + 6 = 11 miles