Cual es la expresión general que permite conocer el numero de cuadritos de cualquier figura de la siguiente sucesión

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

Can someone me with this? i’m not sure what to put for my equations.

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.