Question

a mtn is 19,260 in 1910 it covered 5 acres by 2005 it had melted to 1 acre assuming it melted at a constant rate what would be the yearly rate

Answer 1

(1 acre - 5 acres) / (2005 -1910)

Answer 2

so the yearly rate of change would be 95/4

Answer 3

1-5 = ?

Answer 4

oh 95/-4

Answer 5

-4/95

Answer 6

and the equation that i would give for t years is a=t>1910

Answer 7

wut

Answer 8

they want the equation for acres of the glacier for t years after 1910
a=

Answer 9

acres = (-4/95)*years +5

Answer 10

acres started at 5
and decreased by (-4/95) every year (we just found that)

Answer 11

okaynthanks

Answer 12

sure:)