Question

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

Answer 1

@JustSaiyan
@563blackghost

Answer 2

Does it say
\(𝖠(𝗇)=−𝟥⋅𝟤^{𝗇−𝟣}\)?

Answer 3

yes

Answer 4

Substitute 1, 4 and 8 in for n

Answer 5

ok

Answer 6

\(𝖠(𝗇)=−𝟥⋅𝟤^{1−𝟣}\)
\(𝖠(𝗇)=−𝟥⋅𝟤^{4−𝟣}\)
and \(𝖠(𝗇)=−𝟥⋅𝟤^{8−𝟣}\)

Answer 7

so,
-3
-24
-384

Answer 8

Yes

Answer 9

thankx!