Mathematics, 18.01.2021 08:30 elsabramasco1161

A (litres) 160
140
120
100
The amount of oil A left in a leaky barrel after
t minutes is shown on the graph alongside.
a Find the gradient and A-intercept of the line.
Interpret your answers.
6 Find the model connecting A and t.
c. How much oil will be left after 15 minutes?
d For what values of t is it reasonable to apply
this model?
80
60
40
20
0
12
6
(minutes)

A (litres)

160
140
120
100
The amount of oil A left in a leaky barrel after
t minutes is shown on

Answers: 3

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A (litres) 160
140
120
100
The amount of oil A left in a leaky barrel after...