The percent of mothers who work outside the home and have children younger than age 6 yr is approximated by the function 
where t is measured in years, with 
corresponding to the beginning of 1980.
?
Compute 
. Round your answer to the nearest thousandth.
?
__________% per year in the second power
Fill in the blank(s) with the appropriate word(s).
-0.018
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Solve the problem.The pressure of oxygen gas in a closed container can be described approximately by the Dieterici equation P = 
e-0.0006/T,where T is the Kelvin temperature of the sample and v is the volume in liters.If 
and 
, in what "direction" should we change (v, T) to make the pressure increase as rapidly as possible?
A. In the direction 
B. In the direction 
C. In the direction 
D. In the direction 
Find the exact value of the expression.tan
A. - 
B. 
C. - 
D. - 
?What is the resulting balance if $4,500 is invested for 5 years at an annual rate of 7% compounded monthly?
A. ?$4,632.79 B. ?$4,687.00 C. ?$6,075.00 D. ?$6,379.31 E. ?$8,258.80
Solve the problem.What is the area of a square with side 2.7 cm?
A. 5.4 cm2 B. 7.29 cm2 C. 19 cm2 D. 29.16 cm2