Decreasing in quantity according to the law is the definition of exponential decay. but what are the choices you can chose from?
#4)
cross multiply
2(8x+10) = 4 * 5x
16x + 20 = 20x
4x = 20
x = 5
The answer is C, because there are two different numbers correlated to the same number on the Y side. The table does not represent a function.
Answer= $138.98
47.86-25.20+52.75-22.04-8.50+94.11=$138.98
