OCR MEI Paper 3 2019 June — Question 10

Exam BoardOCR MEI
ModulePaper 3 (Paper 3)
Year2019
SessionJune
TopicProduct & Quotient Rules
10 Show that \(\mathrm { f } ( x ) = \frac { \mathrm { e } ^ { x } } { 1 + \mathrm { e } ^ { x } }\) is an increasing function for all values of \(x\).
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