Answer
a.$ L= 2y + x$
b. $L= x + 2000/x$
c. $(0, 100]$
d. see graph
Work Step by Step
a. Draw the rectangle and configure the equation.
b. Use the equation of the area and the equation of the rectangle to find L in terms of x.
c. Find the domain using the equations.
d. Create a graph of the equation in part b.