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serg [7]
3 years ago
11

Simon has a certain length of fencing to enclose a rectangular area. The function A models the rectangle's area (in square meter

s) as a function of its width (in meters).
Mathematics
2 answers:
ss7ja [257]3 years ago
8 0

Answer:

The maximum area is 1,600 square meters

Step-by-step explanation:

<u><em>The complete question is</em></u>

What is the maximum area possible?

The given function area is modeled by A(w)=-w(w-80)

we know that

The given function is a vertical parabola open downward

The vertex is a maximum

The x-coordinate of the vertex represent the width for the maximum area

The y-coordinate of the vertex represent the maximum area

Convert the quadratic function in vertex form

A(w)=-w(w-80)\\\\A(w)=-w^{2}+80w

Factor -1

A(w)=-(w^{2}-80w)

Complete the square

A(w)=-(w^{2}-80w+1,600)+1,600

Rewrite as perfect squares

A(w)=-(w-40)^{2}+1,600 ----> function in vertex form

The vertex is the point (40,1,600)

therefore

The maximum area is 1,600 square meters

GREYUIT [131]3 years ago
3 0

Answer:

When there is no width the area is 0m^2

Step-by-step explanation:

I took the quiz.

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