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Silvia C.

asked • 09/27/18

Precalc Word Problem Help

College Precalc, just can't figure this out
A large square carpet is initially x inches long and x inches wide. Randy decides to trim 4 inches off each edge of the carpet because the edges are worn. Later he goes back and trims 4 more inches off each edge.
(a) Express the final area (A) of the carpet in square inches (after both trim jobs) as a polynomial function of x.
(b) How many square inches of material were removed in the first trim job? Express the area removed in the first trim job (T1) as a function of x.
(c) How many square inches of material were removed in the second trim job? Express the area removed in the second trim job (T2) as a function of x.

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