haileysmith61622738 haileysmith61622738
  • 20-11-2020
  • Mathematics
contestada

HELP
Select the function that defines the given sequence.
–8, -20, -50, -125, -625.

HELP Select the function that defines the given sequence 8 20 50 125 625 class=

Respuesta :

teresa1mendoza26
teresa1mendoza26 teresa1mendoza26
  • 27-11-2020

Answer:

The answer is B

Step-by-step explanation:

a1 = -8

a2 = -8 * 2.5

a3 = -8 * 2.5 * 2.5

a4 = -8 * 2.5^3

an = -8 * 2.5^(n - 1)

The first term is -8. Each subsequent term is 5/2 times the previous term.

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