No it is undefined when the number reaches to zero.
Answer:
x=5 feet
Step-by-step explanation:
At floor level y=0
If the expression is:
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But, with the negative sign, the answer is x= 5i (where i is imaginary)
Answer:

Step-by-step explanation:
We're going to have to work backwards.
The sum of 4 and k is
.
Half is simply that divided by 2.

Now, we'll subtract 8 from it.
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Bam!
Step-by-step explanation:
Rhombus since the other 3 have lines that go accross the graph horizontally for 3 squares.