laura5959 laura5959
  • 27-08-2016
  • Mathematics
contestada

What sequence is modeled by the graph below?
Picture and answer choices below :)

What sequence is modeled by the graph below Picture and answer choices below class=

Respuesta :

dalendrk
dalendrk dalendrk
  • 27-08-2016
[tex](1;\ 4)\to a_1=4\\(2;\ 0.8)\to a_2=0.8\\(3;\ 0.16)\to a_3=0.16\\\\it's\ a\ geometric\ sequence\ because\ a_1a_3=a_2^2\\\\a_1a_3=4\cdot0.16=0.64\\\\a_2^2=0.8^2=0.64[/tex]

[tex]a_n=a_1r^{n-1};\ r=a_2:a_1\to r=0.8:4=0.2=\dfrac{1}{5}\\\\subtitute:\\\\a_n=4\cdot\left(\dfrac{1}{5}\right)^{n-1}[/tex]
Answer Link

Otras preguntas

(3s-4)+(s+3) simplify
In circle O, the radius is 8 and the m angle D O G = 95°. Find the length of arc DG 13.26 6.49 12.99 19.28
The radius of a circle is 12 inches what is the circles circumference
Is it ironic that andrew jackson is on the $20 dollar bill when he never liked rich or wealthy people? he had also moved all the money to the state banks. they
What act protected the nations security from acts weakening the government?
How do I Simplify 8 3/4
To imply greater depth, the sculptor who created the relief carvings on the outside of the Ara Pacis Augustae carved the figures in the ________ more deeply tha
The smallest particle of an element is a(n): electron neutron atom
Fill in the blank: In the election of 1800, the Republicans accused the Federalists of bring back (blank) to scare Americans about Federalist powers: A. a monar
which equation is nonlinear? A) 4x = 12 B) 3y = 12 C) xy = 12 D) 3x -6y = 12