Find the value of x in each case
1 answer:
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ANSWER
4 roots.
EXPLANATION
The given polynomial function is
This is a fourth degree polynomial.
According to the Fundamental Theorem of Algebra, an nth degree polynomial has n roots.
This roots include both real and complex roots.
Also repeated roots or roots with multiplicity greater than one are counted as distinct.
Since the given polynomial function is a fourth degree polynomial, the Fundamental Theorem of Algebra, says that this polynomial has 4 roots.
Set this up as a proportion with the model stuff on top and actual building stuff on bottom. 
. Cross multiply to get x = 780. The actual building is 780 inches. In feet that is 65.