Select the correct answer.
Annalise makes rectangular patchwork quilts out of leftover fabric scraps. The first scrap she is using to make a quilt has a width of 2x feet and a length of 5x feet. When finished, the entire quilt will be 5 feet wider and 3 feet longer than the first fabric scrap used. Which of the following functions will give the area, f(x), of the quilt in square feet?
A.
f(x) = 10x2 + 15
B.
f(x) = 10x2 + 25x + 15
C.
f(x) = 10x2 + 16x + 15
D.
f(x) = 10x2 + 31x + 15