Question

determine os cinco primeiros termos das sequencias.
An = 4n P.A. ( )

Answer 1

An = 4n
A1=4.1 = 4
A2=4.2 = 8
A3=4.3 = 12
A4=4.4 = 16

{4,8,12,16}

Answer 2

Oi Fernando

A(n) = 4*n

A(1) = 4*1 = 4
A(2) = 4*2 = 8
A(3) = 4*3 = 12
A(4) = 4*4 = 16

PA (4,8,12,16)