Answer:
Graph is Linear, Continuous function and each pound of blueberries costs $4.
Explanation:
This is shown per the definition of a linear graph: a line that is a straight. Its a continuous function because the pounds rise with the cost continuously, with no change in slope. Its $4 because for every pound, the cost goes up by 4. Ex. 1 pd = $4, 2 pd = $8 etc.