Answer:
28%
Step-by-step explanation:
In the function the .72 means that each unit of time 72% of the value is retained. This means that 28% percent of the value is lost or decays because 1-0.72=0.28 or 28 percent.
Solve the second equation using the given choices:
Y = 3x + 6
Replacing x with the given choices and matching the y values the answer is the second choice
(0,6) and (-2,0)