Identify all of the coefficients in the expression below.

3x - 4y + 2

3, 4, 2
3, -4, 2
3, 4
3, -4

The maximum distance (in nautical miles) that a radio transmitter signal can be sent is represented by the expression 1.23h√, where h is the height (in feet) above the transmitter. estimate the maximum distance x (in nautical miles) between the plane that is receiving the signal and the transmitter. round your answer to the nearest tenth.