Question: a highway tunnel has a shape that can be modelled by the equation of a parabola. the tunnel is 18m wide and the height of

a highway tunnel has a shape that can be modelled by the equation of a parabola. the tunnel is 18m wide and the height of the tunnel 16m from the edge is 5m.

a. determine the equation of the parabola

b. sketch a graph of your parabola

c. can a truck that is 8m tall and 4m wide pass through the tunnel? justify your decision

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