Question

Jennifer is building a square cage for her

mountain lion. The length of each side of the
cage will be 2x + 4 feet. Which polynomial
represents the total number of feet of fencing she
needs for all four sides of the cage?
A. 8x + 12
B. 8x + 16
C. 8x* + 12
D. 8x* + 16

Answer 1

Each side of the cage is 2x+4 and there are 4 sides.

This means 4(2x+4) which is equal to 8x+16, the answer is B