Identify the initial value and rate of change for the graph shown below.
initial value: 5.5, rate of change: negative 3 over 4.
initial value: 4, rate of change: negative 3 over 4.
initial value: negative 3 over 4., rate of change: 4
initial value: negative 3 over 4., rate of change: 5.5

Which polynomial correctly combines the like terms and expresses the given polynomial in standard form? 8mn5 – 2m6 + 5m2n4 – m3n3 + n6 – 4m6 + 9m2n4 – mn5 – 4m3n3 n6 + 7mn5 + 14m2n4 – 5m3n3 – 6m6 –2m6 – 5m3n3 + 14m2n4 + 7mn5 + n6 14m2n4 + 7mn5 – 6m6 – 5m3n3 + n6 n6 – 6m6 + 7mn5 + 14m2n4 – 5m3n3 show work