Find the first, fourth, and eighth terms of the sequence. A (n) = - 3 • 2n-1

Question

Mathematics

Tatum Francis

13 February, 12:41

Find the first, fourth, and eighth terms of the sequence. A (n) = - 3 • 2n-1

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Answers (1)

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Jazlene Lester · Answer 1

first term n = 1

A (1) = - 3. 2 (1) - 1

= - 3. 2 (1) - 1

= - 3.2-1

= - 3. 1

= - 3

fourth term n = 4

A (4) = - 3. 2 (4) - 1'

= - 3. 8 - 1

= - 3. 7

= - 21

8th term n = 8

A (8) = - 3.2 (8) - 1

= - 3. 16-1

= - 3. 15

= - 45