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Mathematics: Post your doubts here!

10 The function f is deﬁned by f : x → 2x 2 − 12x + 13 for 0 ≤ x ≤ A, where A is a constant. (i) Express f(x) in the form a(x + b) 2 + c, where a, b and c are constants. [3] (ii) State the value of A for which the graph of y = f(x) has a line of symmetry. [1] (iii) When A has this value, ﬁnd the...
- 386423
- Post #11,183
- Apr 20, 2014
- Forum: A-Levels
3
Mathematics: Post your doubts here!

10 The function f is deﬁned by f : x → 2x 2 − 12x + 13 for 0 ≤ x ≤ A, where A is a constant. (i) Express f(x) in the form a(x + b) 2 + c, where a, b and c are constants. [3] (ii) State the value of A for which the graph of y = f(x) has a line of symmetry. [1] (iii) When A has this value, ﬁnd...
- 386423
- Post #11,180
- Apr 20, 2014
- Forum: A-Levels
3
Mathematics: Post your doubts here!

http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s09_qp_1.pdf question 10
- 386423
- Post #11,178
- Apr 20, 2014
- Forum: A-Levels

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