If the national consumption function is given by 
find the marginal propensity to consume, 
.
?
A. 
B. 
C. 
D. 
E. 
Answer: A
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Evaluate the integral.
A. 
+ C
B. 2
+ C
C. 
+ C
D. 2
+ C
Solve the equation for solutions in the interval [0, 2?).csc 3x = 0
A. ?
B. 
C. 
D. 
Solve the problem by using a nonlinear system.In 1979, 
and 
had the same population. The population of 
continued to increase steadily, while the rate of population growth of 
(although initially less than that of 
)
eventually overtook the growth rate of City #2. The populations of two cities are modeled by the following equations: 
: 
; 
: 
, where 
corresponds to the year 1979. In what year after 1979 did the cities have the same population?
A. 1984
B. 1982
C. 1985
D. 1983
Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.(x - 5)(x + 6) > 0
A. (-?, -6) ? (5, ?)
B. (-6, ?)
C. (-?, -5) ? (6, ?)
D. (-6, 5) 