Part 1 out of 2 A T-shirt at a department store costs $8.50. The total cost, in dollars, of a T-shirts is given by the function
C(a) = 8.50a.
Complete the table of values for 4 T-shirts.
T-shirts
1
2.
3
4
Cost ($)
Determine the common difference.
Each T-shirt costs $
so the common difference is
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