Chemists’ Wages The mean hourly wage W (in dollars) of chemists in the United States from 2000 through 2014 can be modeled by W = 0.903 t + 26.08 , 0 ≤ t ≤ 14 where t represents the year, with t = 0 corresponding to 2000. (a) According to the model, when was the mean hourly wage at least $ 30 , but no more than $ 32 ? (b) Use the model to predict when the mean hourly wage will exceed $ 45.
Chemists’ Wages The mean hourly wage W (in dollars) of chemists in the United States from 2000 through 2014 can be modeled by W = 0.903 t + 26.08 , 0 ≤ t ≤ 14 where t represents the year, with t = 0 corresponding to 2000. (a) According to the model, when was the mean hourly wage at least $ 30 , but no more than $ 32 ? (b) Use the model to predict when the mean hourly wage will exceed $ 45.
Solution Summary: The author calculates the time at which the mean hourly wage W is at least 30, but no more than
Chemists’ Wages The mean hourly wage W (in dollars) of chemists in the United States from 2000 through 2014 can be modeled by
W
=
0.903
t
+
26.08
,
0
≤
t
≤
14
where t represents the year, with
t
=
0
corresponding to 2000.
(a) According to the model, when was the mean hourly wage at least
$
30
,
but no more than
$
32
?
(b) Use the model to predict when the mean hourly wage will exceed
$
45.
Consider the table of values below.
x
y
2
64
3
48
4
36
5
27
Fill in the right side of the equation y= with an expression that makes each ordered pari (x,y) in the table a solution to the equation.
solving for x
Consider the table of values below.
x
y
2
63
3
70
4
77
5
84
Fill in the right side of the equation y= with an expression that makes each ordered pari (x,y) in the table a solution to the equation.
Chapter 1 Solutions
College Algebra Real Mathematics Real People Edition 7
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