Answer:
Step-by-step explanation:
The diagram shows a cube of side length 4 inches. A is a vertex of the cube, while B and C are located on opposite edges of the
cube with both B and C being 1 inch from the nearest vertex.
If a plane including the points A, B, and C cuts through the cube, what is the shape of the resulting cross section?
an isosceles triangle
a rectangle
a square
a rhombus
a hexagon
If a plane including the points A, B, and C cuts through the cube, what is the shape of the resulting cross section?
an isosceles triangle
a rectangle
a square
a rhombus
a hexagon
2 answers:
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Answer:
(a) Profit function P(x) = 0.02x^2+60x-80
(b) Average profit P(x)/x = P/x = 0.02x+60-80/x
Marginal profit dP/dx = 0.04x+60
Step-by-step explanation:
Cost function: C(x) = -0.02x^2+40x+80
Price function: p(x) = 100
(a) The profit function P(x) = x*p(x)-C(x) can be expressed as:
(b)Average profit function: P(x)/x
Marginal profit function: dP/dx