Find the margin of sampling error to the nearest percent. p=54%, n=1000

Alake near the arctic circle is covered by a sheet of ice during the cold winter months. when spring arrives, the ice starts to melt. s(t) models the ice sheet's thickness (in meters) as a function of time tt (in weeks). s(t)=-0.25t+4

Use corrrct notations to name the sides

If f(x)=1/x and g(x)=x+4 which of the following is the graph