Answer;
red line: y = x
green line: y = -x
Answer:
2444
Step-by-step explanation:
The total cost is the integral of the marginal cost.

The total cost of producing units 144 through 625 is 2444.
_____
If all you need is a number, a graphing calculator can give you that.
6y^2-7y-3-2y^2+9y+7 (pretend that you're multiplying -1 to 2y^2-9y-7 which is why 9y and 7 are positive now).
Now you're able to simplify your problem, so...
6y^2-2y^2= 4y^2
-7y+9y= 2y
-3+7=4
4y^2+2y+4
Might want to check my math but that's how you do it.
Answer:
C
Step-by-step explanation:
its a wild guess because you didn't add a picture or anything to show the pyramid
64
80 80
thats how you havw to put it