samcG6e4mbeead
samcG6e4mbeead samcG6e4mbeead
  • 12-07-2016
  • Mathematics
contestada

which of the following is a geometric sequence?

a. 3, 7, 11, 15, 19
b. 4, 6, 10, 16, 26
c. 4, 16, 64, 256

Respuesta :

caylus
caylus caylus
  • 12-07-2016
Hello,

A: is an arithmetic sequence: f(n)=3+(n-1)*4

B: is a Fibbonacci's sequence f(n+2)=f(n+1)+f(n), f(1)=4,f(2)=6

C: is a geometric sequence :first term =4 ratio=4

f(n)=4*4^(n-1)=4^n
Answer Link

Otras preguntas

Write the prime factorization of 84.
Why was natural selection an important contribution to the theory of evoulution
the class has 31 textbook each textbook has 576 pages how many pages are there in all
how do you write 1.74 as a mixed number?
if the atomic mass of gold is 196.9665 u, how many grams of gold are in 0.150 mol Au
round 87.235 to the nearest hundredth
6 is less than or equal to the sum of 4 and -2x
By the early 20th century, which European country controlled the MOST land in Africa?
The quantity of x-4 squared
if two atoms have different atomic number. Are they the same element or an isotope?