Question

Creative Landscaping has 60 yd of fencing with which to enclose a rectangular flower garden. If the garden is x yards long, express the garden’s area as a function of the length.

Answer 1

y - garden's width

$2(x+y)=60 \Rightarrow x+y=30 \Rightarrow y=30-x \\A=xy \\A(x)=x(30-x)$