For the next set of exercises, use the following table, which shows the population of San Francisco during the 19th century. Years since 1850 Population (thousands) 0 21.00 10 56.80 20 149.5 30 234.0 Source: http://www.sfgenealogy.com/sf/history/hgpop.htm. 374. [T] The best-fit exponential curve to the data of the form P ( t ) = a e b t is given by P ( t ) = 35.26 e 0.06407 t , Use a graphing calculator to graph the data and the exponential curve together.
For the next set of exercises, use the following table, which shows the population of San Francisco during the 19th century. Years since 1850 Population (thousands) 0 21.00 10 56.80 20 149.5 30 234.0 Source: http://www.sfgenealogy.com/sf/history/hgpop.htm. 374. [T] The best-fit exponential curve to the data of the form P ( t ) = a e b t is given by P ( t ) = 35.26 e 0.06407 t , Use a graphing calculator to graph the data and the exponential curve together.
374. [T] The best-fit exponential curve to the data of the form
P
(
t
)
=
a
e
b
t
is given by
P
(
t
)
=
35.26
e
0.06407
t
, Use a graphing calculator to graph the data and the exponential curve together.
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
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%
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