3 .
Each large square has a value of one.
SL
WA
What is the value of the shaded parts of the large squares?

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

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Factor this polynomial completely x^2-64