Year 12 Maths - Methods (Unit 3 & Unit 4)
Functions, relations and graphs
Applications of functions
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Question 1
198619
A storage tank is draining. The volume of water \(V\) litres remaining after \(t\) minutes is modelled by \(V=1000-40t\), for \(0\le t\le 25\).
(i) State the initial volume of water in the tank.(ii) Find the volume of water remaining after \(15\) minutes.
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