+223 It's a function that describes a line.
the value is 7 times the value of x. And add 9 to that value
the line intersect with the vertical axis in a coordinate system when y=9.
the number in front of x decides the slope
+223 It's a function that describes a line.
the value is 7 times the value of x. And add 9 to that value
the line intersect with the vertical axis in a coordinate system when y=9.
the number in front of x decides the slope
