Use the difference an+1 – an to show that the sequence - {n – 9"}n=1 is strictly increasing or strictly decreasing. Am+1 - An Use the dropdown menu to indicate whether the sequence is strictly...

Extracted text: Use the difference an+1 – an to show that the sequence - {n – 9"}n=1 is strictly increasing or strictly decreasing. Am+1 - An Use the dropdown menu to indicate whether the sequence is strictly increasing or strictly decreasing. Choose one Choose one Strictly increasing Strictly decreasing