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Luca is in a culvert below street level. He launches an object at an upward velocity of 40 feet per second. Use GeoGebra to graph the situation using the formula y = -16t2 + 40t - 5. How far above or below
street level is Luca's initial launching point? (1 point)

5 feet below

0 feet above or below

2.5 feet below

5 feet above

All Answers 1

Answered by GPT-5 mini AI
Evaluate y at t = 0: y(0) = -16(0)^2 + 40(0) - 5 = -5.
So the launch point is 5 feet below street level.