recent estimates indicate that the area covered by glaciers has decreased from over 25.5 km^2 in 1850 to about 16.6 km^2 in 1995. Let A=f(t) give the area t years after 2000, and assume that f(t)=16.2-0.062t.
How much glacier area disappears in 15 years?
MY WORK: 25.5-16.6 =8.9
1995-1850 =145
8.9/145 =0.0613
0.0613 * 15 =0.92
IS THIS CORRECT
PART D: solve f(t)=12
I DON'T KNOW HOW TO BEGIN. PLEASE SHOW WORK?
F(t) = 16.2 = 0.062t,
F(15) = 16.2 - 0.062*15 = 15.27 km^2.