\fQ 2. The cost to join a club is $10 the first year and increases by 10% each year. What is the cost to join the club in the 9th year? O $25.94 O $23.58 O $10.90 O $21.44 3. A geometric sequence is defined by the equation a, = (-2)+3 Find the following. Be sure to show all work. a) the first term of the sequence. b) the common ratio of the sequence. c) the 5th term of the sequence.3 '_,J 4. Identify the sequence as arithmetic or geometric, and give the common difference or common ratio. 27,9,3,1,... O Geometric; r = % O Geometric; 3' = -3 O Arithmetic; 61': -3 O Arithmetic; 62': 3 3 '_.J 5. For a geometric sequence, the first term is -2 and the common ratio is 2. Find the 20th term. 0 1,048,576 0 2,097,153 0 2,097, 153 0 1,048, 576 '__J 6. For a geometric sequence: (11 : 24 and r : 4 . What is the ?th term of the sequence? Q Q 7. The table defines a geometric sequence. Find the first term. 3 45 135 4 405 16 05 O -5 O 2 O -2 D 8. Find the common ratio of the geometric sequence. 10', 10', 108, 10",... O 1000 O 10, 000 O 0.0001 O 0.001