What is the decay factor in the exponential decay function y=a(1−r)t ?

Use the decay factor 1 − r ≈ 0.989 to find the rate of decay r ≈ 0.011. So, the monthly percent decrease is about 1.1%. c. From the graph, you can see that the y-value is about 10,000 when t = 6.

answer: 1inch=7days  

12inch=12*7=84days

step-by-step explanation:

1. a^4+8a^3+24a^2+32a+16

2.y^8+8y^7+28y^6+56y^5+70y^4+56y^3+28y^2+8y+1

3.x^6-3x^4y^2+3x^2y^4-y^6