Answer:
The fourth option.
Step-by-step explanation:
In the given equation x^2 + 4x + 9 = 0, a=1, b=4, and c=9. The quadratic formula is in the attachment below so if you plug in a, b, and c you get the fourth option.
Hey Kiddo.
The domain is the first number of each set.
Domain, 3, 6, -1, 5, -4
Answer: -3,7
Step-by-step explanation:
Answer:
x = 1/7
Step-by-step explanation:

x = 1/7
N + 4.5 = 8.2
n = 8.2 - 4.5
n = 3.7