a.
y= lx-3l - 2
For any value of x, the function will be defined.
Domain = all real numbers
Since the function is moved 2 units down
Range = [-2;∞)
b.
Domain: the set of all possible values of x
By looking at the graph
Domain= [0,12]
Range: the set of all possible values of y.
Range: [1000,1500]
