A catapult launches a rock at a castle. The height of the rock could be described by the modeln --16^2+ 130^2+ 12, where h describes the height of the rock in feet and tis
the time in seconds after the rock was launched. At what approximate times does
the rock reach a height of 280 feet? (hint: use the quadratic formula)
a) + 0.4965 and 4.063
b) + 3.567s and 4.5599
c) + 0.5785 and 5.3975
d) The rock never reaches that height.