Seventy-seven million people were born between 1946 and 1964. The U. S. Census classifies this group of individuals as baby boomers. It is said that today and every day for the next 18 years, 10,000 baby boomers will reach 65. If Images of the 65 and older age group uses e-mail, Images obtains the news from the Internet, and Images searches the Internet, find the LCD and determine total technology usage for this age group as a fraction.

a; x = 0.5

step-by-step explanation:

-10x = -5

x = 0.5

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for