3. Mr. Frame builds windows. He uses the function P = 2l + 2w to determine the perimeter of a rectangular-shaped window with length l units and width w units. (a) Write the function, using function notation, that Mr. Frame can use to find the perimeter of any window with a length of 5 ft, given the width. (b) Write the function, using function notation, that Mr. Frame can use to find the perimeter of any window with a width of 3 ft, given the length.

Question

Mathematics

Matteo Brooks

19 June, 12:04

3. Mr. Frame builds windows. He uses the function P = 2l + 2w to determine the perimeter of a rectangular-shaped window with length l units and width w units. (a) Write the function, using function notation, that Mr. Frame can use to find the perimeter of any window with a length of 5 ft, given the width. (b) Write the function, using function notation, that Mr. Frame can use to find the perimeter of any window with a width of 3 ft, given the length.

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Zoie Fox · Answer 1

A.) perimeter of any window with a length of 5 ft, given the width., just substitute the the length to given function

P = 2l + 2w

P = 2 (5) + 2w

P = 10 + 2w

b.) perimeter of any window with a width of 3 ft, given the length. do the same thing but substitute it to the w

P = 2l + 2w

P = 2l + 2 (3)

P = 2l + 6