Mathematics (Syllabus D) 4024/21 — May/June 2010

Cambridge O-Level · Calculator · worked solutions for every part, with the mark scheme

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100

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150

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Topics Geometry · Algebra and Graphs · Mensuration · Trigonometry · Transformations and Vectors · Number · +3 more

Q1Algebra and GraphsFree sample

A function is defined by $f(x) = \frac{x - 2}{5}$ .

(a)

Find $f(7)$ .

______

(b)

Given that $f(t) = t$ , find $t$ .

$t$ = ______

(c)

Find $f^{-1}(x)$ .

$f^{-1}(x)$ = ______

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