Select the correct answer. Which of these graphs represents a function?

W.
X.

Y.

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Write a function rule for  “the output is  5 less than the input.” let  x be the input and let  y  be the output.

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.