2023 ONE(c)

Question
The graph shows the curve , along with the tangent to the curve drawn at .
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A second tangent to this curve is drawn which is parallel to the first tangent shown in the diagram.

Find the -coordinate of the point where this second tangent touches the curve.

*You must use calculus and show any derivatives that you need to find when solving this problem.*
Full Solution

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Video Explanation
2023 NCEA L3 Calculus Exam Walkthrough by infinityplusone(starts at 5:47)
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