Answer:
Step-by-step explanation:
f(8) = (8)^2 - 4 = 64 - 4 = 60
Hopefully this helps and makes sense to you if you don’t understand ask another question to me or anyone hehe
Question 1:
Perimeter = 18ft
area = 15ft²
Question 2:
Perimeter = 11m
Area = 7.5m²