Answer:
6 ¼ hours of Daylight
Step-by-step explanation:
f(15) = 242
Step 1: Define
f(x) = 2(4 - x)²
f(15) = x = 15
Step 2: Substitute and Evaluate
f(15) = 2(4 - 15)²
f(15) = 2(-11)²
f(15) = 2(121)
190.8
Im pretty sure my math is wrong but i hope this helps