The Perimeter of a Square Depends on the Length of Its

question 123

Essay

The perimeter of a square depends on the length of its side.
(a)Write a function p(l)for the perimeter of a square when the length of its side is l.
(b)What is the domain of this function out of context?
(c)What is the domain of this function in the given context?
(d)Find p(x),p(2x)and p(3x).
(e)What happens to the perimeter of a square when the side is scaled by a factor s? Describe using an equation.

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