i.
To draw: A regulation NFL playing field of length
i.

Answer to Problem 83E
Explanation of Solution
A rectangle is a 2 dimensional figure having length and width. Here length is given as
ii.
To show: A regulation NFL playing field of length
ii.

Explanation of Solution
Given information: length is
Calculation: Perimeter of a rectangle is sum of all 4 sides, so
Perimeter= length +length+breadth+breadth = 2(length + width)
Solve the above equation for
Now area of rectangle is
iii.
To graph: A regulation NFL playing field of length
iii.

Explanation of Solution
Given information:
Plotting the graph for the equation:
iv.
To calculate: A regulation NFL playing field of length
iv.

Answer to Problem 83E
Explanation of Solution
Given information:
From this it can be considered that
Calculation: By putting value of
Conclusion:
v.
To calculate: A regulation NFL playing field of length
v.

Answer to Problem 83E
Actual dimension of NFL is 120 yards long and
Explanation of Solution
Given information: Actual dimension of NFL is 120 yards long and
Conclusion: we got the shape as square but actual shape is not square, it is rectangle.
Chapter 1 Solutions
EBK PRECALCULUS W/LIMITS
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