1. Suppose a teacher earns a starting salary of $55,000 during the first year. After 10 years of teaching, the annual salary of that teacher is $84, 317.91. Assuming a constant percentage raise each year, what is the percentage increase in salary per year for the teacher? Round to the nearest tenth of a percentage, leaving % OUT of the answer. * 2. If the following series is put into sigma notation with a lower limit of k=1, what would be the expression for the summand(inner formula)? *

tan(3x)+tan(9x)+tan(27x)+...tan (19683x)