100 points!! please only answer if yk
3.) What is the domain of this graph?
The domain...
Mathematics, 18.10.2021 01:50, shortyyashaun
100 points!! please only answer if yk
3.) What is the domain of this graph?
The domain is the smallest point on the x- axis to the largest point on the x-axis.
Usually given by: smallest <= x <= largest.
What is the range of this graph?
The range is the lowest point on the y-axis to the highest point on the y-axis.
Usually given by: lowest <= y <= highest
Answers: 1
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Prove (a) cosh2(x) − sinh2(x) = 1 and (b) 1 − tanh 2(x) = sech 2(x). solution (a) cosh2(x) − sinh2(x) = ex + e−x 2 2 − 2 = e2x + 2 + e−2x 4 − = 4 = . (b) we start with the identity proved in part (a): cosh2(x) − sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 − sinh2(x) cosh2(x) = 1 or 1 − tanh 2(x) = .
Answers: 3
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