Which function has an inverse that is also a function? Y=1/3x-3/4 Y=3|x|-5
Y=1/3x^2-5x+3
Y=3x^2

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?