Straight-line depreciation. Tyline Electric uses the function B ( t ) = − 700 t + 3500 to find the book value, B ( t ) , in dollars, of a photocopier t years after its purchase. a. What do the numbers – 700 and 3500 signify? b. How long will it take the copier to depreciate completely? c. What is the domain of B? Explain.
Straight-line depreciation. Tyline Electric uses the function B ( t ) = − 700 t + 3500 to find the book value, B ( t ) , in dollars, of a photocopier t years after its purchase. a. What do the numbers – 700 and 3500 signify? b. How long will it take the copier to depreciate completely? c. What is the domain of B? Explain.
Solution Summary: The author analyzes the graph of the depreciation function B(t)=-700t+3500 for a photocopy machine.
Straight-line depreciation. Tyline Electric uses the function
B
(
t
)
=
−
700
t
+
3500
to find the book value,
B
(
t
)
,
in dollars, of a photocopier t years after its purchase.
a. What do the numbers – 700 and 3500 signify?
b. How long will it take the copier to depreciate completely?
=
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
Q1 The SPT records versus depth are given in table below. Find qan for the raft 12%
foundation with BxB-10x10m and depth of raft D-2m, the allowable
settlement is 50mm.
Elevation, m 0.5 2
2 6.5 9.5 13 18 25
No.of blows, N 11 15 29 32 30 44
0
estigate shear
12%
Q2 A/ State the main field tests which may be carried out to investigate shear
strength of a soil layer?
B/ What are the main factors that affecting the spacing and number of
boreholes for a given project?
C/ Illustrate the causes of disturbance of Shelby tubes samples.
Chapter R Solutions
Calculus and Its Applications, Books a la Carte Plus MyLab Math Access Card Package (11th Edition)
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