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kondor19780726 [428]
3 years ago
11

If fx)= {x-3, which inequality can be used to find the domain of f(x)?

Mathematics
1 answer:
mafiozo [28]3 years ago
8 0

Step-by-step explanation:

the first option is the right answer

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Step-by-step explanation:

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We know that the angle of elevation of the sun is 78°, an angle of elevation is measured from the ground, then the adjacent cathetus to this angle is the shadow of the tree. And the opposite cathetus will be the height of the tree.

Now we can remember the relationship:

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Where:

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Then we have the equation:

Tg(78°) = H/13ft

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