2018年11月IB数学SL真题下载-Paper1
1.The following diagram shows a circle with centre A and radius 6 cm.
The points B, C, and D lie on the circle, and BÂC = 2 radians.
(a)Find the area of the shaded sector.
(b)Find the perimeter of the non-shaded sector ABDC.
2.Two functions, f and g , are defined in the following table.
(a)Write down the value of f(1) .
(b)Find the value of (g。f )(1) .
(c)Find the value of g-1 (-2) .
3.In an arithmetic sequence, u1 = -5 and d = 3 .
(a)Find u8 .
(b)Find the value of n for which un = 67 .
4.Let b = log2 a , where a > 0 . Write down each of the following expressions in terms of b .
(a)log2 a3
(b)log2 8a
(c)log8 a
5.
2018年11月IB数学SL真题余下省略！
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