Answer:
C
Step-by-step explanation:
In the attached file
Answer:
Hello. Since there is one value of of y for every value of x in {(-1,1),(2,2),(0,0),(5,5)}, this would be a function.
Step-by-step explanation:
4/5 of the original amount at the start of the month will remain. The amount at the start of every month will change. Thus:
an = 4/5 (an-1) ; where a1 = 500.