16 of 20% explain it plz

Given the following statements, which is the best

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

The variable in a relation who’s value depends on the value of the independent variable is called what?