Your limting the amount of sandbags you have if you take away and when your adding your adding more sandbags.
Answer:
3 weeks: 21.5 inches
w weeks: 20+0.5w inches
Step-by-step explanation:
Equation: 20+0.5w.
20 was when it was first planted and 0.5 is the amount it grows per week.
1.15¹⁰=4.0456, the growth rate, so the increase is 3.0456 or 305%.
answer: you're missing the problem
We simply replace a with -9
k(-9) = 4 * -9 - 4
k(-9) = -40
:)