Exercises 63-64 involve (he graphs of models for the data shownI in the rectangular coordinate system . 63. a. Use the two points for men shown by the blue voiceballoons to find a function in the form M ( x ) = m x + b that models average yearly earnings for men x yearsafter age 22. Round the value for m to two decimalplaces. M ( x ) = 1.47 x + 22 b. Use the two points for women shown by the red voiceballoons to find a function in the form W ( x ) = m x + b that models average yearly earnings for women x yearsafter age 22. Round the value for m to two decimalplaces. W ( x ) = 0.73 x + 19 c. Use the models in parts (a) and (b) to find the averageyearly earnings for men and women at age 32. How arethese values shown on the graphs of the models for thedata? What is the difference between earnings for men andwomen at that age? men: $36.7 thousand: women: $26.3 thousand', by the points (10.36.7) and (10.26.3), respectively: $10.4 thousand
Exercises 63-64 involve (he graphs of models for the data shownI in the rectangular coordinate system . 63. a. Use the two points for men shown by the blue voiceballoons to find a function in the form M ( x ) = m x + b that models average yearly earnings for men x yearsafter age 22. Round the value for m to two decimalplaces. M ( x ) = 1.47 x + 22 b. Use the two points for women shown by the red voiceballoons to find a function in the form W ( x ) = m x + b that models average yearly earnings for women x yearsafter age 22. Round the value for m to two decimalplaces. W ( x ) = 0.73 x + 19 c. Use the models in parts (a) and (b) to find the averageyearly earnings for men and women at age 32. How arethese values shown on the graphs of the models for thedata? What is the difference between earnings for men andwomen at that age? men: $36.7 thousand: women: $26.3 thousand', by the points (10.36.7) and (10.26.3), respectively: $10.4 thousand
Solution Summary: The author explains how to calculate a function in the form M(x)=mx+b that models the average yearly earnings for men x years after age 22.
Exercises 63-64 involve (he graphs of models for the data shownI in the rectangular coordinate system.
63. a. Use the two points for men shown by the blue voiceballoons to find a function in the form
M
(
x
)
=
m
x
+
b
that models average yearly earnings for men x yearsafter age 22. Round the value for m to two decimalplaces.
M
(
x
)
=
1.47
x
+
22
b. Use the two points for women shown by the red voiceballoons to find a function in the form
W
(
x
)
=
m
x
+
b
that models average yearly earnings for women x yearsafter age 22. Round the value for m to two decimalplaces.
W
(
x
)
=
0.73
x
+
19
c. Use the models in parts (a) and (b) to find the averageyearly earnings for men and women at age 32. How arethese values shown on the graphs of the models for thedata? What is the difference between earnings for men andwomen at that age? men: $36.7 thousand: women: $26.3 thousand', by the points (10.36.7) and (10.26.3), respectively: $10.4 thousand
System that uses coordinates to uniquely determine the position of points. The most common coordinate system is the Cartesian system, where points are given by distance along a horizontal x-axis and vertical y-axis from the origin. A polar coordinate system locates a point by its direction relative to a reference direction and its distance from a given point. In three dimensions, it leads to cylindrical and spherical coordinates.
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