1. a.
b. k = 0.4 and A = 600
c. Using y = 600e0.4x. when x = 9, then y = 21 959
2.
a. A = 2800 k = -0.2 |
|
b. Between 8 and 9 months.
3. a. From the graph pressure at ground level is approximately 992
b. Let ln P = mx + c
P = emx+c
so P = emx.ec = kemx where k = ec (a constant)
c. When x = 0, then P = k, so k = pressure at ground level.
d. m = − 0.16