Mobile data traffic. Table 5 estimates of mobile data traffic, in exabytes 10 18 bytes per month, for years from 2015 to 2020 . (A) Let x represent the number of years since 2015 and find an exponential regression model y = a b x for the mobile data traffic. (B) Use the model to estimate the mobile data traffic in 2025 .
Mobile data traffic. Table 5 estimates of mobile data traffic, in exabytes 10 18 bytes per month, for years from 2015 to 2020 . (A) Let x represent the number of years since 2015 and find an exponential regression model y = a b x for the mobile data traffic. (B) Use the model to estimate the mobile data traffic in 2025 .
Solution Summary: The author calculates the exponential regression model of the form, y=abx, by using online graphing calculator.
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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%
2
Chapter 2 Solutions
Finite Mathematics for Business, Economics, Life Sciences and Social Sciences
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