What is the degree of the acute angle between the image of positive scale function y = x and X axis______ .

What is the degree of the acute angle between the image of positive scale function y = x and X axis______ .

∵ the positive scale function y = x, the distance from the point on the image to the two coordinate axes is equal, ∵ the image is the bisector of the angle of the first and third quadrants, ∵ the degree of the acute angle formed with the X axis is 45 degrees, so the answer is: 45