A dolphin jumped out of the water in a tank and then dove back in. The dolphin’s height, in metres, above the water is given in the table below. Height (m) 0.59 1.22 1.39 0.73 -1.45 Time (s) 0.5 1.0 1.5 2.5 3.5 This data can be modelled by a quadratic function. The maximum height of the dolphin during the jump, to the nearest tenth of a metre, is.

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