To express the total cost \( y \) of the order in relation to the number of T-shirts \( x \), we recognize that each T-shirt costs $11 and there is a fixed shipping fee of $19.
The total cost can be calculated using the formula: \[ y = 11x + 19 \]
Where:
- \( y \) is the total cost,
- \( x \) is the number of T-shirts ordered,
- \( 11x \) represents the cost of the T-shirts,
- \( 19 \) is the shipping fee.
Thus, the equation that shows the relationship between \( x \) and \( y \) is: \[ y = 11x + 19 \]
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