Instructions

13
10
The equation of a curve is
y
=
54
x
−
2
x
−
7
3
.
(a)
Find
d
y
d
x
and
d
2
y
d
x
2
.
[4]
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(b)
Find the coordinates of each of the stationary points on the curve.
[3]
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(c)
Determine the nature of each of the stationary points.
[2]
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© UCLES 2020
9709/12/M/J/20