Respuesta :

The fish is 2.25 ft above the water surface.

Step-by-step explanation:

  • Step 1: Given expression for height of the fish above the water surface,  y = -16x² + 12x where x is time in seconds. Find height after 0.375 seconds

⇒ y = -16(0.375)² + 12 × 0.375

     = -2.25 + 4.5

     = 2.25 ft