odpoveď:
# "Vertex {-3.5", "-4.25} #
vysvetlenie:
# Y = (x + 2) ^ 2 + 3 + 4 #
# Y = x ^ 2 + 4x + 4 + 3 + 4 #
# y = x ^ 2 + 7x + 8 "(1)" #
# (d y) / (d x) = 0 #
# (d y) / (d x) = 2x + 7 = 0 #
# 2x + 7 = 0 #
# 2x = -7 #
# X = -7/2 = -3,5 #
# "use (1)" #
#y = (- 7/2) ^ 2-7 (7/2) + 8 #
# Y = 49 / 4-49 / 2 + 8 #
# Y = (49 - 98 + 32) / 4 #
# Y = -17 / 4 = -4,25 #
# "Vertex {-3.5", "-4.25} #
