let the graph of g be a vertical stretch by 2 units down and 4 units left of the graph of f(x)=x^2. Write a rule for g

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

Which statements regarding the diagram are true? check all that apply.

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64