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Find the equation of the tangent at the point $(-2, 7)$, and give your answer in the form $y = mx + c$.
Mathematics 9709 · AS & A Level · Differentiation
Differentiation — practice question
The curve is given by $y = 7 + 4\ln(2x + 5)$.
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This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Differentiate to obtain an expression of the form $\dfrac{k}{2x+5}$, where $k\neq0$” …
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