6664 01 Que 20130114
6664 01 Que 20130114
6664 01 Que 20130114
Centre
No.
Initial(s)
Paper Reference
6 6 6 4
Candidate
No.
0 1
Signature
Paper Reference(s)
6664/01
Edexcel GCE
Core Mathematics C2
Advanced Subsidiary
Monday 14 January 2013 Morning
Time: 1 hour 30 minutes
Question Leave
Number Blank
1
2
3
4
Candidates may use any calculator allowed by the regulations of the Joint
Council for Qualifications. Calculators must not have the facility for symbolic
algebra manipulation or symbolic differentiation/integration, or have
retrievable mathematical formulae stored in them.
5
6
7
8
9
10
Instructions to Candidates
In the boxes above, write your centre number, candidate number, your surname, initials and signature.
Check that you have the correct question paper.
Answer ALL the questions.
You must write your answer for each question in the space following the question.
When a calculator is used, the answer should be given to an appropriate degree of accuracy.
Advice to Candidates
You must ensure that your answers to parts of questions are clearly labelled.
You should show sufficient working to make your methods clear to the Examiner.
Answers without working may not gain full credit.
Total
This publication may be reproduced only in accordance with
Pearson Education Ltd copyright policy.
2013 Pearson Education Ltd.
Printers Log. No.
P41487A
W850/R6664/57570 5/5/5/5/
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Q1
(Total 4 marks)
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Q2
(Total 6 marks)
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3.
A company predicts a yearly profit of 120 000 in the year 2013. The company predicts
that the yearly profit will rise each year by 5%. The predicted yearly profit forms a
geometric sequence with common ratio 1.05
(a) Show that the predicted profit in the year 2016 is 138 915
(1)
(b) Find the first year in which the yearly predicted profit exceeds 200 000
(5)
(c) Find the total predicted profit for the years 2013 to 2023 inclusive, giving your answer
to the nearest pound.
(3)
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Q3
(Total 9 marks)
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Q4
(Total 7 marks)
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Q5
(Total 9 marks)
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Q6
(Total 7 marks)
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7.
m
4c
6 cm
9 cm
Figure 1
The triangle XYZ in Figure 1 has XY = 6 cm, YZ = 9 cm, ZX = 4 cm and angle
ZXY = . The point W lies on the line XY.
The circular arc ZW, in Figure 1 is a major arc of the circle with centre X and radius 4 cm.
(a) Show that, to 3 significant figures, = 2.22 radians.
(2)
(b) Find the area, in cm2, of the major sector XZWX.
(3)
The region enclosed by the major arc ZW of the circle and the lines WY and YZ is shown
shaded in Figure 1.
Calculate
(c) the area of this shaded region,
(3)
(d) the perimeter ZWYZ of this shaded region.
(4)
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Q7
(Total 12 marks)
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, x0
x3
(a) Use calculus to show that the curve has a turning point P when x = 2
(4)
(b) Find the x-coordinate of the other turning point Q on the curve.
(1)
(c) Find
d2 y
.
dx 2
(1)
(d) Hence or otherwise, state with justification, the nature of each of these turning points
P and Q.
(3)
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Q8
(Total 9 marks)
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9. y
(1,0)
(4,0)
Figure 2
The finite region R, as shown in Figure 2, is bounded by the x-axis and the curve with
equation
16
y = 27 2 x 9 x 2 ,
x>0
x
The curve crosses the x-axis at the points (1, 0) and (4, 0).
(a) Complete the table below, by giving your values of y to 3 decimal places.
x
1.5
5.866
2.5
5.210
3.5
1.856
(2)
(b) Use the trapezium rule with all the values in the completed table to find an approximate
value for the area of R, giving your answer to 2 decimal places.
(4)
(c) Use integration to find the exact value for the area of R.
(6)
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(Total 12 marks)
TOTAL FOR PAPER: 75 MARKS
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