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10 questions from this quiz
ex−e−x2\frac{e^x - e^{-x}}{2}2ex−e−x
ex+e−x2\frac{e^x + e^{-x}}{2}2ex+e−x
ex−e−xex+e−x\frac{e^x - e^{-x}}{e^x + e^{-x}}ex+e−xex−e−x
[1,∞)[1, \infty)[1,∞)
(−1,1)(-1, 1)(−1,1)
sinh(−x)=−sinh(x)\sinh(-x) = -\sinh(x)sinh(−x)=−sinh(x)
cosh(−x)=cosh(x)\cosh(-x) = \cosh(x)cosh(−x)=cosh(x)
y=−1y = -1y=−1 and y=1y = 1y=1
111
(0,0)(0, 0)(0,0)
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