The growth of a plant during a eight-month period is modelled by the exponential function f(x) = 3(1.25)* where f(x) represents the height, in centimetres, at the end of each month and x represents the time in months. Determine when the plant will reach a height of 12 cm, to the nearest tenth of a month. Show your work. 10g (4)=x109 (1.25) 12= 3(1.25) * 3 3 www Log(4) 4= (1.25) * X Log (1.25) X = 6.2

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