Question 623231
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi, Assuming the - was an = sign
The average life expectancy after age 65 is soaring, putting pressure on the Social Security Administration’s resources. 
According to the Social Security Trustees, the ,<u>average life expectancy after age 65</U> is given by
L(t) = {{{highlight(.056)}}}t + 18.1 (0 &#8804; t &#8804; 7)
a. How fast is the average life expectancy after age 65 changing at any time during the period under consideration? {{{highlight(.056)}}}/yr
b. What will the average life expectancy be after age 65 in 2012? {{{.056*7 + 18.1}}}