<span>"5th root of x^4" hoil
</span>
Answer:
= desaster
Step-by-step explanation:
Answer:
The answers is "
Option B".
Step-by-step explanation:

Where,
predicted value of lead content when traffic flow is 15.


Calculating thet-critical value
The lower predicted value 

When
of CI use as the expected lead content:

F(x) = 4(-1)-3
=-4-3
f(x)= -7
hope it helps