The fish is 2.25 ft above the water surface.
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