OCR C1 — Question 4

Exam BoardOCR
ModuleC1 (Core Mathematics 1)
TopicCurve Sketching
TypeRational curve intersections
4. (i) Sketch on the same diagram the curves \(y = x ^ { 2 } - 4 x\) and \(y = - \frac { 1 } { x }\).
(ii) State, with a reason, the number of real solutions to the equation $$x ^ { 2 } - 4 x + \frac { 1 } { x } = 0 .$$
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