Answer:
82°
Step-by-step explanation:
Answer: 8.808 kilometers
Step-by-step explanation: have a good night :)
Answer:
Step-by-step explanation:
Given
Economic system Q is given by

also 
if 



substitute these values




differentiate w.r.t to L to get 



-50 feet because it’s closest to 0
The description expresses three points which can be used for a standard form equation. The vertex is stated to be (0,0) and is a maximum; two other points are (-21,-74) and (21,-74)
The equation for vertex form of a parabola:
y=a(x-h)^2+k
vertex (h,k)
thus our equation will be:
y=a(x-0)^2+0
thus
y=ax^2
using one of the points, the value of a will be:
-74=a(21)^2
a=-74/441
thus the equation will be:
y=-74/441x²