| Exam Board | Edexcel |
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| Module | C2 (Core Mathematics 2) |
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| Year | 2015 |
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| Session | June |
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| Topic | Exponential Equations & Modelling |
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7. (i) Use logarithms to solve the equation \(8 ^ { 2 x + 1 } = 24\), giving your answer to 3 decimal places.
(ii) Find the values of \(y\) such that
$$\log _ { 2 } ( 11 y - 3 ) - \log _ { 2 } 3 - 2 \log _ { 2 } y = 1 , \quad y > \frac { 3 } { 11 }$$