An apple was tossed into the air. The equation h (t) = -16x2 + 2.2x + 3.5 models the height of the apple over time. How long was the apple in the air if it was caught at 3 feet above the ground? Let t = time measured in seconds and h = height in feet.

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label