Answer:
yeah sure
Step-by-step explanation:
because I'm friendly
Answer:
0
Step-by-step explanation:
2a(b−c)+b(2c−2a)+4c(0.5a−0.5b)
To simplify this we need to remove the parenthesis
Distribute 2a, b and 4c inside the parenthesis
2ab -2ac + 2bc - 2ab + 2ac - 2bc
now we combine like terms'
2ab - 2ab becomes 0
-2ac +2ac becomes 0
+2bc - 2bc becomes 0
So final answer is 0
10 is a and 9 is d 100% correct!
Because school just sucks and yeah.
Compute the derivative:
![\dfrac{\mathrm d}{\mathrm dx}\bigg[8x^3+2x^2-8\bigg]=24x^2+4x](https://tex.z-dn.net/?f=%5Cdfrac%7B%5Cmathrm%20d%7D%7B%5Cmathrm%20dx%7D%5Cbigg%5B8x%5E3%2B2x%5E2-8%5Cbigg%5D%3D24x%5E2%2B4x)
Set equal to zero and find the critical points:

Compute the second derivative at the critical points to determine concavity. If the second derivative is positive, the function is concave upward at that point, so the function attains a minimum at the critical point. If negative, the critical point is the site of a maximum.
![\dfrac{\mathrm d^2}{\mathrm dx^2}\bigg[8x^3+2x^2-8\bigg]=\dfrac{\mathrm d}{\mathrm dx}\bigg[24x^2+4x\bigg]=48x+4](https://tex.z-dn.net/?f=%5Cdfrac%7B%5Cmathrm%20d%5E2%7D%7B%5Cmathrm%20dx%5E2%7D%5Cbigg%5B8x%5E3%2B2x%5E2-8%5Cbigg%5D%3D%5Cdfrac%7B%5Cmathrm%20d%7D%7B%5Cmathrm%20dx%7D%5Cbigg%5B24x%5E2%2B4x%5Cbigg%5D%3D48x%2B4)
At

, the second derivative takes on the value of

, so the function is concave upward, so the function has a minimum there of

.
At

, the second derivative is

, so the function is concave downward and has a maximum there of

.