a. Stan is making an arch at the top of his barn doors. The arch has a shape that can be modelled by the equation of a parabola. If the left edge of the door is the origin and the doorway is 6 m wide, what is the equation of the parabola if the height of the arch, 2 m from the edge of the doorway, is 5 m? Hint: Begin by drawing a sketch. b. Algebraically, determine the point(s) of intersection of the functions: f(x) = -3x2 +6x + 4 and g(x) = 3x - 2 the questions come together!

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1a. Stan is making an arch at the top of his barn doors. The arch has a shape that can be modelled by the equation of a parabola. If the left edge of the door is the origin and the doorway is 6 m wide, what is the equation of the parabola if the height of the arch, 2 m from the edge of the doorway, is 5 m? Hint: Begin by drawing a sketch.

b. Algebraically, determine the point(s) of intersection of the functions:
f(x) = -3x2 +6x + 4 and g(x) = 3x - 2

the questions come together!

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