If infinity n = 1 an = s, infinity n = 1 bn = t, then infinity n = 1 an + bn = s + t. if infinity n = 1 an = s, alpha c, then infinity n = 1 alpha an = alpha s.

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?