Economics: elasticity of demand. Consider the demand function given by q = D ( x ) 600 ( x + 4 ) 2 . a. Find the elasticity. b. Find the elasticity at x = 1, stating whether demand is elastic or inelastic. c. Find the elasticity at x = 12, stating whether demand is elastic or inelastic. d. At a price of $12, will a small increase in price cause total revenue to increase or decrease? e. Find the price at which total revenue is a maximum.
Economics: elasticity of demand. Consider the demand function given by q = D ( x ) 600 ( x + 4 ) 2 . a. Find the elasticity. b. Find the elasticity at x = 1, stating whether demand is elastic or inelastic. c. Find the elasticity at x = 12, stating whether demand is elastic or inelastic. d. At a price of $12, will a small increase in price cause total revenue to increase or decrease? e. Find the price at which total revenue is a maximum.
Solution Summary: The author explains how to calculate the elasticity function when the demand function is given by underset_E(x)=2.
rmine the immediate settlement for points A and B shown in
figure below knowing that Aq,-200kN/m², E-20000kN/m², u=0.5, Depth
of foundation (DF-0), thickness of layer below footing (H)=20m.
4m
B
2m
2m
A
2m
+
2m
4m
sy = f(x)
+
+
+
+
+
+
+
+
+
X
3
4
5
7
8
9
The function of shown in the figure is continuous on the closed interval [0, 9] and differentiable on the open
interval (0, 9). Which of the following points satisfies conclusions of both the Intermediate Value Theorem
and the Mean Value Theorem for f on the closed interval [0, 9] ?
(A
A
B
B
C
D
=
Q6 What will be the allowable bearing capacity of sand having p = 37° and ydry
19 kN/m³ for (i) 1.5 m strip foundation (ii) 1.5 m x 1.5 m square footing and
(iii)1.5m x 2m rectangular footing. The footings are placed at a depth of 1.5 m
below ground level. Assume F, = 2.5. Use Terzaghi's equations.
0
Ne
Na
Ny
35 57.8 41.4 42.4
40 95.7 81.3 100.4
Chapter 2 Solutions
Calculus and Its Applications, Books a la Carte Plus MyLab Math Access Card Package (11th Edition)
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