The correct response is:
The y-intercept is at (0,2). The shirts are launched at an initial height of 2 feet.
Explanation: In the function \( y = -16t^2 + 30t + 2 \), the y-intercept occurs when \( t = 0 \). Plugging \( t = 0 \) into the equation gives:
\[ y = -16(0)^2 + 30(0) + 2 = 2 \]
Thus, the y-intercept is (0, 2), which means that when the T-shirts are launched (at time \( t = 0 \)), they are at an initial height of 2 feet off the ground.