Answer:
15
Step-by-step explanation:
Answer: H
Step-by-step explanation:
7% of 21 is 1.47
The x -intercepts occur when f(x) =0
So,
(x-4)^2 = x^2 -8x + 16 -3 =0
x^2 -8x + 13 =0
Solving by the quadratic formula
x1 = 5.7321
x2 = 2.2679
The diameter of the circular foundation would be 18.8 feet, and the circumference would be 59.1 feet.
