C3 June 2018 Unoffical Mark Scheme Watch

huzaifah08
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#1
Q 1) 10. Something
Q2) -11/3 < x < 1
Q3 i) Drawing Graph
ii) gradient = 6
iii) y =6x -3a -3
Q4). (+rt 5, 1/5) ( - rt 5, 1/5) (0, 1/30)
Q5) 1/2ln(x +3)
ii) f(x) > -3
iii) stretch 1/2 y axis, translation vector ( -3,0) , Relfection y =x
iv ) 0< k <3
Q6) A =33, Lambda = 0.025 ie 1.2/48
Q7)I show Q using tan2x
ii) show spot between 0.7 and 0.8
iii) itertarion t = 0.7 something
iv) let 2y =x
then 1 value obtained like 0.31 radians
Q8) a , sina= cube rt 1/3
B) sinb = 1- rt2
Q9 a)
Differentiate with rspt y axis
B) pi (-6ln2 + 63/8)

All from the top of my head so feel free to correct / add stuff.
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