Concept explainers
a.
Express the perimeter P as a function of x.
Given:
Rectangles with an area of
Calculation:
Area of rectangle is given by
Let the width of the rectangle is y. then
Now, perimeter of the rectangle is given by
Therefore, the perimeter P as a function of x is given by
b.
Find the dimension of the perimeter .
The dimension of the rectangle is
Given:
Perimeter is 70 m.
Area of rectangle is given by
Calculation:
Area of rectangle is given by
Let the width of the rectangle is y. then
Now, perimeter of the rectangle is given by
Therefore, the perimeter P as a function of x is given by
Now, Perimeter is 70 m.
Hence, dimension of the rectangle is
Chapter 2 Solutions
PRECALCULUS:GRAPHICAL,...-NASTA ED.
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