Consider the function represented by 9x+3y= 12 with x as the independent variable. how can this function be written using
function notation?
fd=3vt
f(x) = - 3x +4
fx) = -x+
fly) = - 3y+4

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

X+ y = 5 ; x - y =3 solve using linear combination

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.