Let y=20,000(0.95)^x represent the buying power of $20,000 with an inflation rate of 5% per year. The table below represents the first 4 years later. Which year is incorrect?

Years Later: x 1 2 3 4
Purchasing Power $: y 19,000 18,050 17,148 16,290

A. 1
B. 2
C. 3
D. 4

Question

Let y=20,000(0.95)^x represent the buying power of $20,000 with an inflation rate of 5% per year. The table below represents the first 4 years later. Which year is incorrect?

Years Later:               x      1       2      3       4
Purchasing Power $: y  19,000 18,050  17,148  16,290

A. 1
B. 2 
C. 3 
D. 4

anonymous · Answer

this one is kinda strange they are all really close 1 and 2 are exact 3 is 17147.5 and 4 is 16290.125