Use a calculator to work these exercises. (See Examples 9 and 10.) Social Science The mean age of a woman in the United States when her first child is born can be approximated by the function f ( x ) = 21 x .0565 , where x = 10 corresponds to the year 2010. Estimate the mean age of a woman at the birth of her first child in the following years. Round your answers to one decimal place. (Data from: The General Social Survey.) 2010 2012 2014
Use a calculator to work these exercises. (See Examples 9 and 10.) Social Science The mean age of a woman in the United States when her first child is born can be approximated by the function f ( x ) = 21 x .0565 , where x = 10 corresponds to the year 2010. Estimate the mean age of a woman at the birth of her first child in the following years. Round your answers to one decimal place. (Data from: The General Social Survey.) 2010 2012 2014
Solution Summary: The author calculates the mean age of a woman in the United States when her first child is born.
Use a calculator to work these exercises. (See Examples 9 and 10.)
Social Science The mean age of a woman in the United States when her first child is born can be approximated by the function
f
(
x
)
=
21
x
.0565
,
where
x
=
10
corresponds to the year 2010. Estimate the mean age of a woman at the birth of her first child in the following years. Round your answers to one decimal place. (Data from: The General Social Survey.)
Question 4 Find an equation of
(a) The plane through the point (2, 0, 1) and perpendicular to the line x =
y=2t, z=3+4t.
3t,
(b) The plane through the point (3, −2, 8) and parallel to the plane z = x+y.
(c) The plane that contains the line x =
parallel to the plane 5x + 2y + z = 1.
1+t, y2t, z = 43t and is
(d) The plane that passes through the point (1,2,3) and contains the line
x = 3t, y=1+t, and z = 2 – t.
(e) The plane that contains the lines L₁ : x = 1 + t, y = 1 − t, z =
=
L2 x 2s, y = s, z = 2.
2t and
2
5x
+
2–49
2
x+10x+21
Chapter 3 Solutions
Mathematics With Applications, Loose-leaf Edition Plus Mylab Math With Pearson Etext -- 18-week Access Card Package (12th Edition)
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