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lakhanir2013
14.10.2019 •
Mathematics
I. let f(x) = 2x – 1, g(x) = 3x, and h(x) = x2
+ 1. compute the following:
2. f o h(3)
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Ответ:
h(3) = 3^2 + 1 = 9 + 1 = 10
F(10) = 2(10) -1 = 20 - 1 = 19
Ответ:
In about 2018, we will have the population at 30 million
Step-by-step explanation:
Here, we want to get the year in which the population of Texas will reach 30 million
What we have to do here is to substitute f(x) for 30; then get the value of x at this point
We proceed as follows;
30 = 21(1.02)^x
30/21 = 1.02^x
1.42857 = 1.02^x
ln 1. 148257 = ln 1.02^x
ln 1.148257 = x ln 1.02
ln 1.42857/ln 1.02 = x
x = 18 approximately
Adding this to the initial 2000, we have 2018