we know that
The formula of the surface area of the cone is equal to

where
SA is the surface area
r is the radius of the cone
l is the slant height
in this problem we have

Solve the formula for l

substitute the values

therefore
<u>the answer is</u>
The slant height is 
$24,000 per year!! Hope it helps :) goodluck
Answer:
n=209 answer for number 1.
Explanation:
An <em>explicit function</em> returns a value based only on the arguments given.
y = f(x)
__
A <em>recursive function</em> returns a value based on the arguments given and on other values of the function.
y = f(x, f(g(x))