Find the value of x and y

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is

Which is the graph of this function 3 square root of x plus one if

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels