June 2023 Paper 1 Q3

3 The curve with equation \(y = \ln x\) is transformed by a stretch parallel to the \(x\)-axis with scale factor 2

Find the equation of the transformed curve.

Circle your answer. [1 mark]

• \(y = \dfrac{1}{2}\ln x\)
• \(y = 2\ln x\)
• \(y = \ln\dfrac{x}{2}\)
• \(y = \ln 2x\)