The linear function represents the line is y = 1/2x + 6
These are functions that has a leading degree of 1. Given the function in slope-intercept form;
y - 8 = 1/2(x-4)
Make y the subject of the formula
y = 1/2(x - 4) + 8
Expand
y = 1/2x -4/2 + 8
y = 1/2x - 2 +8
y = 1/2x + 6
Hence the linear function represents the line is y = 1/2x + 6
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