2019年5月IB数学SL真题下载-Paper1
1.The following Venn diagram shows the events A and B , where P (A) = 0.3 . The values shown are probabilities.
(a)Find the value of p .
(b)Find the value of q .
(c)Find P (A′∪ B) .
2.
3.The following diagram shows a right triangle ABC. Point D lies on AB such that CD bisects AĈB.
(a)Given that sinθ=3/5 find the value of cos θ .
(b)Find the value of cos 2θ .
(c)Hence or otherwise, find BC.
4.Let f(x)=2x-1/x+3,x≠-3.
(a)Write down the equation of the vertical asymptote of the graph of f .
(b)Find f-1（x)
(c)Find the equation of the horizontal asymptote of the graph of f-1 .
5.The derivative of a function f is given by f′(x) = 2e-3x . The graph of f passes through (1/3,5).Find f(x) .
2019年5月IB数学SL真题余下省略！
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