P.3 of 10 For question 6 and 7, consider the following function: f(x) = cos(2-2x) , 6. If the graph of y=f(x) is obtained by a few transformations from y=cosx which of the following is correct? a. y=f(x) is obtained from y=cos x by a reflection in the y-axis, a horizontal 1 compression by a factor of and a translation of 1 unit to the right. 2 b. y=f(x) is obtained from y=cos x by a reflection in the y-axis, a horizontal stretch by a factor of 2 and a translation of 2 unit to the right. C. y=f(x) is obtained from y=cos X a horizontal compression by a factor of translation of 1 unit to the left. and a 2 d. y=f(x) is obtained from y=cos x by a reflection in the y-axis, a horizontal stretch by a factor of 2 and a translation of 2 unit to the left. 7. The period of y=f(x) is (a) 2л (b) л/2 (c) 4л (d) л
P.3 of 10 For question 6 and 7, consider the following function: f(x) = cos(2-2x) , 6. If the graph of y=f(x) is obtained by a few transformations from y=cosx which of the following is correct? a. y=f(x) is obtained from y=cos x by a reflection in the y-axis, a horizontal 1 compression by a factor of and a translation of 1 unit to the right. 2 b. y=f(x) is obtained from y=cos x by a reflection in the y-axis, a horizontal stretch by a factor of 2 and a translation of 2 unit to the right. C. y=f(x) is obtained from y=cos X a horizontal compression by a factor of translation of 1 unit to the left. and a 2 d. y=f(x) is obtained from y=cos x by a reflection in the y-axis, a horizontal stretch by a factor of 2 and a translation of 2 unit to the left. 7. The period of y=f(x) is (a) 2л (b) л/2 (c) 4л (d) л
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:P.3 of 10
For question 6 and 7, consider the following function:
f(x) = cos(2-2x)
,
6. If the graph of y=f(x) is obtained by a few transformations from y=cosx which of the
following is correct?
a. y=f(x) is obtained from
y=cos x by a reflection in the y-axis, a horizontal
1
compression by a factor of
and a translation of 1 unit to the right.
2
b. y=f(x) is obtained from y=cos x by a reflection in the y-axis, a horizontal
stretch by a factor of 2 and a translation of 2 unit to the right.
C.
y=f(x) is obtained from y=cos X a horizontal compression by a factor of
translation of 1 unit to the left.
and a
2
d. y=f(x) is obtained from y=cos x by a reflection in the y-axis, a horizontal stretch
by a factor of 2 and a translation of 2 unit to the left.
7. The period of y=f(x) is
(a) 2л
(b) л/2
(c) 4л
(d) л
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