Count change of signs to tell positive roots
then replace x with -x and evaluate, then count change in sign for negative roots
initially
+, -, -, +, +, -
3 changes
3 or 1 positive roots
replacing x with -x
-,-,+,+,-,-
2 changes
2 or 0 negative roots
B is answer
According to the priority level of their service level packages and problems,the technician visit the customers visits in the following order.
1) Platinum service level
2) Gold Service level
3) <span>Silver service level
4) Bronze service level
</span>
Answer: x-bar = y-bar = 0 whereas z-bar = 8/3
M= (c^2)/8 which is intern equal to 2
Step-by-step explanation:
Find the area, by setting the limits as
= 
Therefore;
Mxy= 
z-bar = 8/3
M= 8
dividing it into two volume gives us = 4
means 
c=2
Answer:
f(-3) = 21
Step-by-step explanation:
To solve this, you can replace all x's with -3 and then solve to find the answer.
f(x) = x^2 - 4x
f(-3) = -3^2 - 4(-3)
f(-3) = 9 - (-12)
f(-3) = 21
I hope this helps!
