A straight line is parallel to the image of the first-order function y = half x-3, and the focus of the image of the first-order function y = 2x + 1 is on the Y axis

A straight line is parallel to the image of the first-order function y = half x-3, and the focus of the image of the first-order function y = 2x + 1 is on the Y axis

A line is parallel to the image of the linear function y = half x-3
The analytic expression of this line is set as y = 1 / 2x + B
∵ the intersection point of the image with the linear function y = 2x + 1 is on the Y axis
The intersection of y = 2x + 1 on Y axis is (0,1)
Replace (0,1) with
B = 1
The analytic formula: y = 1 / 2x + 1
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