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AS_Mathematics_Progression_MS_H630, pure mathematics and statistics

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Mathematics B(MEI) (H630, H640),End of Stage 1/AS Mathematics: Paper 2: Pure Mathematics and Statistics 1 The masses, x grams, of a sample of 800 apples are summarised in the histogram, fig. 1. 2 Solve the equation 24x1  352x , giving your answer in the form x  log10 a . log10 b [6] 3 The value £V of a car t years after it is new is modelled by the equation V  Aekt , where A and k are positive constants which depend on the make and model of the car. (a) Brian buys a new sports car. Its value is modelled by the equation V  20000e0.2t . Calculate how much value, to the nearest £100, this car has lost after 1 year. [2] At the same time as Brian buys his car, Kate buys a new hatchback for £15 000. Her car loses £2000 of its value in the first year. (b) (i) Show that, for Kate’s car, k  0.143 correct to 3 significant figures. [3] In this question you must show detailed reasoning (ii) Find how long it is before Brian’s and Kate’s cars have the same value. [3] 4 In this question you must show detailed reasoning (a) Show that the equation sin x  cos x  6cos x tan x can be expressed in the form tan2 x  tan x  6  0 . [2] (b) Hence solve the equation sin x  cos x  6cos x tan x for 0o  x  360o [4] 5 Fig. 5 shows sketch of the curve with equation y  x  4 x2 (a) Show that Fig. 5 d2 y  24 dx2 x4 [3] (b) (i) Hence determine the coordinates of the stationary point on the curve. [3] (ii) Verify that the stationary point is a maximum. [2] 6 A politics student wishes to investigate average house prices across England. The student decides to compare employment rates with median house prices, as shown in Fig 6.1

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Mathematics B(MEI) (H630, H640)




Mathematics B(MEI) (H630, H640)

End of Stage 1/AS Mathematics:
Paper 2: Pure Mathematics and Statistics

Please note that you may see slight differences
between this paper and the original.
Duration: 1 hour 30 minutes
Candidates answer on lined paper.



Other materials required:
Scientific or graphical calculator




INSTRUCTIONS

• Use black ink. HB pencil may be used for graphs and diagrams only.
• Answer all the questions.
• You are permitted to use a scientific or graphical calculator in this paper.
• Final answers should be given to a degree of accuracy appropriate to the context.
• The acceleration due to gravity is denoted by g m s-2. Unless otherwise instructed,
when a numerical value is needed, use g = 9.8.

INFORMATION

• The total number of marks for this paper is 75.
• The marks for each question are shown in brackets [ ].
• You are reminded of the need for clear presentation in your answers.
• The total number pages is 12.




© OCR 2019. You may photocopy this page. Page 1 Created using ExamBuilder

, Formulae A Level Mathematics B (MEI) (H640)


Arithmetic series
Sn  21 n(a  l) 2 1 n{2a  (n 1)d}

Geometric series
a(1  rn )
Sn
 1r
a
S 1 r for r  1


Binomial series
(a  b)n  an  nC1 an1b  nC2 an2b2  K  n C anrbr  K  bn (n ¥ ) ,
r
where

n
C
n n!
C  
r nr   r!(n  r)!
 r
n(n 1) 2
(1 x)n  1  nx  x 

n(n 1)K (n  r 1) r
x  K
x  n ¡ 
K r! 1,
2!

Differentiation
f (x) f (x)
tan kx k sec2 kx
sec x sec x tan x
cot x cosec2 x
cosec x cosec x cot x
du dv
v u
Quotient Rule y  u dy
 dx dx
,
v dx v2

Differentiation from first principles
f (x  h)  f (x)
f (x) h lim
0 h

Integration

 f (x)
f (x)
dx  ln f (x)  c


n 1 n 1

 f (x)f (x) dx 
n 1
f (x)  c


dv
Integration by parts
dxu dx  uv 

dx
v

© OCR 2019. You may photocopy this page. Page 2 Created using ExamBuilder

, du
dx




© OCR 2019. You may photocopy this page. Page 3 Created using ExamBuilder

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