The inclinatio of the function is 58 degrees
When y=0, x=-3 Coords (-3 , 0)
The slope, m , is given by tan(58) = 1.600334529041 ~ 1.6
y= 1.6x + b and -3,0 is a point substituting
0 =1.6(-3) +b
b= 4.8
y= 1.6 x + 4.8 is your line