Chris is having custom t-shirts printed for a family reunion. the total cost of custom t-shirts, y, in dollars, for x t-shirts is modeled by the following equation.

y = 11x + 25

which statement is true?

a.
each additional t-shirt being printed will increase the total cost by $25.
b.
each additional t-shirt being printed will increase the total cost by 25%.
c.
each additional t-shirt being printed will increase the total cost by $11.
d.
each additional t-shirt being printed will increase the total cost by 11%.