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

How did Islam spread to India, and what impact did it have on the region?
The right to petition members of the government is contained in the ___ amendment to the constitution
Find the sum of 5(-3.4k -7) + (3k +12) and please show work
A class of sixty voted for class president. 30% voted for brad and 70% voted for Jane. How many votes did the winner get?
1/10 of 700 1/5 of 700
three terms of an arithmetic sequence are shown. f(1)=3, f(3)=6, f(7)=12 what recursive formula could define the sequence ? A. f(n+1)=2f(n) B. f(n+1)=f(n)+3 C.
How did the February Revolution in Russia differ from the October Revolution?
what is a system in which monarchs hold absolute power
Which of the following is true of the Canadian Shield region in North America? A It has a mild climate. B It has excellent farmland. C It is densely populated.
A major function of the endomembrane system is ______. A. producing, sorting, and packaging material B. makes all the cell's genetic material C. manufacturing p