Can I get some help for question 1(d)?
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$\begingroup$ What are your thoughts in the question ? $\endgroup$ – Tolaso Apr 12 '18 at 12:35
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$\begingroup$ See Inverse Hyperbolic Secant. $\endgroup$ – Mauro ALLEGRANZA Apr 12 '18 at 12:36
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$\begingroup$ so there are 2 parts for 1(d) first we need to find the domain and range for arcsech (?) I dont really know what it means in the second part though $\endgroup$ – Jenny Apr 12 '18 at 12:39
