Determine the exact equation given the following descriptions.
2 answers:
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Solution
The dimension of the rectangular floor is 18ft long and 12 ft wide
Using the conversion table
It is given that 1yd =3 ft
This shows that
12 feet will be equivalent to
Also 18ft will be equialent to
Therefore the new dimension is 6 yard by 4 yard
The area will be
Therefore the required area is
The interval notation given to us means that x is between negative infinity and 5, excluding both endpoints.
So we can write which shortens to
The graph will have an open hole at 5 on the number line, and shading to the left to indicate all points smaller than 5.