Question 11 • CMS 2026-2027 NC Math 1 CREDIT RECOVERY
Substitute x = 4 into each edge length: 3(4) − 4 = 8 feet, 4² − 1 = 15 feet, and 2(4²) − 15 = 17 feet. Add the three edge lengths: 8 + 15 + 17 = 40 feet. The perimeter is 40 feet, choice D.
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