Teht. 539

f(x) = x^(2)
p = -1.5 (slider from -5 to 5)
g: y = p
A = Point(f)
c = Circle(A, 1)
B = Point(f)
d = Circle(B, 2)
h: y = -1 / 4
C: (0, 1 / 4)
A_1: (x(A), -1 / 4)
i = Segment(A, C)
j = Segment(A, A_1)