
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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![2. Let : RR and y: R+ → R be mappings with 6(x)
-2e-x.
(a) Find the range of y.
= 1.
Use your answer to determine whether y is surjective.
(b) Use the definition to show that & is bijective.
(c) Find & oy.
(d) Find the values of x for which 82(x) = 1.
-
and y(x)
=
4
[3]
[3]
[2]
[2]](https://content.bartleby.com/qna-images/question/56349570-c850-4378-b43a-2d1a85030776/70d73c37-61f8-4d6d-8383-78acbf39d031/hhhoi4h_thumbnail.png)
Transcribed Image Text:2. Let : RR and y: R+ → R be mappings with 6(x)
-2e-x.
(a) Find the range of y.
= 1.
Use your answer to determine whether y is surjective.
(b) Use the definition to show that & is bijective.
(c) Find & oy.
(d) Find the values of x for which 82(x) = 1.
-
and y(x)
=
4
[3]
[3]
[2]
[2]
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