the answer should be
5.6x10^-4
Answer:
(0, -3) and (4, 5)
Step-by-step explanation:
y = x² − 2x − 3
y = 2x − 3
2x − 3 = x² − 2x − 3
0 = x² − 4x
0 = x (x − 4)
x = 0 or 4
x = 127 ft