A large square carpet is initially x inches long and x inches wide. he trims 2 inches off each edge of the carpet because the edges are worn. Later he goes back and trims 3 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.
A(x) =

(b) How many square inches of material were removed in the first trim job?Express the area removed in the first trim job as a function of x. T1(x) =

(c) How many square inches of material were removed in the second trim job?Express the area removed in the second trim job?

Question

A large square carpet is initially x inches long and x inches wide. he trims 2 inches off each edge of the carpet because the edges are worn. Later he goes back and trims 3 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.
A(x) =

(b) How many square inches of material were removed in the first trim job?Express the area removed in the first trim job as a function of x. T1(x) =

(c) How many square inches of material were removed in the second trim job?Express the area removed in the second trim job?

anonymous · Answer

part (a) =(x-10)^2
part (b)= 8x-16
 i really only need part (c)