Question

1_Classifique em crescentes, decrescentes ,constantes e ainda, finitas e infinitas progressões
A_(7,9,11,13,15...)

B_(...,8,9,10,11)

C_(15,10,5,0,...)

D_(...,-6,-8,-10)

E_(300,400,500...)

F_(780,740,700..)

G_(900,600,300,0)

H_(13,14...16,17)

I_(90)

J_(17,18)

K_(3,3,3,3,3,3...)


Descubra qual a razão


a) (79,66,53,40...)


b_(2 ,20, 38, 56)


C_(83,74,65,56 ...)


D_(-8,-30,-52 ...)


E_(8,8,8,8,8,8,8)


F_(14,17,20,23)


G_(10,12,14,16,18)


H_(-7,-14,-21,-23)


I_(20,40,60,80,...)


J_(982,982,982,...)​

Answer 1

1_Classifique em crescentes, decrescentes ,constantes e ainda, finitas e infinitas progressões
A)
(7,9,11,13,15...)
r = 9-7= 2
Crescente
Infinita (+oo)

B)
(...,8,9,10,11)
r = 9-8= 1
Crescente
Infinita (-oo)

C)
(15,10,5,0,...)
R = a2-a1 = 10-15= - 5
Infinita (+oo)
Decrescente

D)
(...,-6,-8,-10)
r = a2-a1 = -10-(-8) = - 2
Decrescente
Infinita (-oo)


E)
(300,400,500...)
r = 400-300= 100
Infinita (+oo)
Crescente

F)
(780,740,700...)
r = 740-780= - 40
Decrescente
Infinita (-oo)

G)
(900,600,300,0)
r = 600-900
r = - 300
Finita
Decrescente

H)
(13,14...16,17)
Finita
Crescente

I)
(90)
Finita
Constante

J)
(17,18)
r = a2-a1
r = 18-17
r = 1
Crescente
Finita

K)
(3,3,3,3,3,3...)
Constante
Infinita
r = 3-3
r = 0

________

Descubra qual a razão


a) (79,66,53,40...)
r = a2 - a1
r = 66-79
r = - 13


b)
(2 ,20, 38, 56)
r = a2 - a1
r = 20-2
r = 18


C)(83,74,65,56 ...)
r = a2 - a1
r = 74-83
r = - 9


D)
(-8,-30,-52 ...)
r = a2- a1
r = -30-(-8)
r = - 22


E)
(8,8,8,8,8,8,8)
r = a2 - a1
r = 8-8
r = 0


F)
(14,17,20,23)
r = a2 - a1
r = 17-14
r = 3


G) (10,12,14,16,18)
r = a2 - a1
r = 12-10
r = 2


H)
(-7,-14,-21,-28)
r = a2 - a1
r = -14-(-7)
r = - 14+7
r = - 7


I)
(20,40,60,80,...)
r = a2 - a1
r = 40-20
r = 20


J)
(982,982,982,...)​
r = a2 - a1
r = 982-982
r = 0