If an object is dropped from a height of 135 feet, the function h(t)=-16t^2+135 gives the height of the object after t seconds. When will the object hit the ground? Group of answer choices

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Precalculus question, image attached.