3. The table below shows information about the cost of designing and making medical face shields. a) Determine the first differences for the table to determine the cost of making each face shield.
Show your work using the table.

Number of Cost
Face Shields

33 $94.55
67 $171.05
104 $254.30

b) Determine the initial cost of designing the face shield (zero face shields made). Show how you
calculated this value.

c) Write an equation that represents this relationship

d) Use your equation from part c) to determine how much it would cost to make 84 face shields​