Please Help!! I've attached a picture

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.

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!