A company is tracking the number of complaints received on its website. During the first 4 months, they record the following numbers of complaints: 20, 25, 30, and 35. Which is a possible explicit rule for the number of complaints they will receive in the nth month?
A. a^n = 15 + 5n
B. a^n = 20n + 5
Also how can you tell?

Question

A company is tracking the number of complaints received on its website. During the first 4 months, they record the following numbers of complaints: 20, 25, 30, and 35. Which is a possible explicit rule for the number of complaints they will receive in the nth month?
A. a^n = 15 + 5n
B. a^n = 20n + 5
Also how can you tell?

anonymous · Answer

Try replacing n with 1, and then with 2, and then with 3