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klemol [59]
3 years ago
13

Which function families have vertical symmetry?

Mathematics
1 answer:
Nady [450]3 years ago
8 0
The functions which are even are symmetric to y-axis. By even functions, it means that f(x) = f(x) for all the domain values. Thus even functions for example, x^2, 1+x^2, cosx, x^4 all follow the conditions i.e. f(x) = f(x) and thus they are symmterical to y-axis.
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If mZDEC = (12x - 3), mZBCE =
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Answer:

Step-by-step explanation:

12x - 3 = 180 - (7x - 26) supplementary angles

19x = 209

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m∠DEC = 12(11) - 3 = 129°

m∠BCE = 7(11) - 26 = 51°

M∠ADE = 129 - 72 = 57°  exterior angle rule

m∠EDB = 180 - 57 = 123° supplementary angles

m∠DBC = 57° corresponding angle to ADE

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2 years ago
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2 years ago
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skelet666 [1.2K]

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zubka84 [21]
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3 years ago
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5 0
2 years ago
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