Respuesta :

kljohnson82

Answer:

answer is 6

Step-by-step explanation:

the dot is right by 6 so easy

Points mark down

  • (1,7)
  • (2,5)
  • (3,3)
  • (4,1)
  • (5,-1)

So

This is an arithmetic sequence having common difference 2

Recursive formula is

[tex]\\ \rm\rightarrowtail a_n=a_{n-1}-2[/tex]

Explict formula:-

[tex]\\ \rm\rightarrowtail a_n=a+(n-1)d[/tex]

[tex]\\ \rm\rightarrowtail a_n=7-2(n-1)[/tex]