Ahelicopter, initially hovering 404040 feet above the ground, begins to gain altitude at a rate of 212121 feet per second. which of the following functions represents the helicopter’s altitude above the ground yyy, in feet, ttt seconds after the helicopter begins to gain altitude?

When can a theory be modified if a new type of technology allows for new observations that raise new questions? a-immediately, while the questions about the theory are being asked b-after new hypotheses related to the theory are tested in experiments c-only after the new observations disprove all parts of the theory d-while scientists begin to think about how the theory could improve