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Year 10 Maths - 10A Parabolas and Other Graphs

Function Notation

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Question 1
114243

Fred is filling his car with petrol. The amount of petrol in the tank after \(t\) minutes is given by \(P(t)=5+10t \text{ litres}\).

i) Find \(P(3)\)

ii) Find \(t\) when \(P(t)=45\)

Part a:
35
 \(~\text{L}\) 1 mark
Part b:
4
 \(~\text{min}\) 1 mark

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