الانلاوين 1.1 و 1.2

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بليييييييييييييييييييييييييييييييييييييييييييييز ابغى الحلللللل :(
Total 1/3 ...Find an expression for the function whose graph is the line segment joining the points (3, -3) and (7, 11). (Assume that these points are in the form (x, f(x)).)

وكمان دا
Find an expression for the function whose graph is the top half of the circle x2 + (y - 2)2 = 4