Mathematics

Problem

For each of these arithmetic sequences: i State

u_1

and

d

. ii Find the formula for the general term

u_n

. iii Find the 15th term of the sequence. a. a 19, 25, 31, 37, .... b. d 31, 36, 41, 46, .... c. b 101, 97, 93, 89, .... d. e 5, -3, -11, -19, .... e. c

8, 9\frac{1}{2}, 11, 12\frac{1}{2}, \dots

f. f

a, a + d, a + 2d, a + 3d, \dots

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