We have 2 cases:
Case (1):
passes through (2,-3) and parallel to x-axis,
Parallel to x-axis means that the slope = 0
==> y-y1= m(x-x1)
==> y+3 - 0
==> y= -3
Case 2:
Passes througth (-2, 3) and parallel to y-axis,
That means that the function does not intersect with y-axis then y values are unlimited:
Then the equation is:
==> x= -2
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