Mathematics>Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
According to a standard weather table, when the air temperature is 59 degree Fahrenheit (°F) at sea level, the air temperature is 48.3°F at an altitude 3,000 feet (ft) above sea level. If air temperature depends linearly on altitude, then which of the following gives the air temperature, T, in °F, as a function of altitude, h, in feet?
解析：