In Calculus what is the formula for the described function A if a rectangle has area 12 m2 and the perimeter P of the rectangle is expressed as a function of the length x of one of its sides?

2026-08-07 17:50

A=b*h area = base (times) height

P=2b + 2h perimeter = 2 (times) base (plus) 2 ( times) height

A= b*h

12 = b*h

12/b = h

let x = b

h = 12/x

since x = b and h = 12/x

therefore P = 2x + 2(12/x)

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