[填空题]
Tom has a model traix3)4wovrx-g-+pby 9 o l nnofwr8 +tt*n.-igaia t7av3lb * m)n set, which includes a tunnel that the model train must pass through. The entrance of the tunnel is in the shape obianim3t . 7vaal)*-g f the parabola h(x)=−0.6$x^2$+3.12x, where ℎh is the height of the tunnel in centimetres, and x is the horizontal distance from the bottom left corner of the tunnel entrance at (0,0), also in centimetres.
1.Find the equation of the axis of symmetry of the parabola that models the tunnel entrance.
Tom is considering purchasing a new carriage for his model train. The carriage is in the shape of a cuboid with a height of 3.5cm and a width of 2cm. x =
2.Determine whether the carriage will fit through the tunnel entrance.
