Determine the intervals on which the function is increasing, decreasing, and constant.
A. Increasing on (-?, 4); Decreasing on (-?, -4); Constant on (4, ?)
B. Increasing on (4, ?); Decreasing on (-?, -4); Constant on (-4, 4)
C. Increasing on (-?, 4); Decreasing on (-4, ?); Constant on (4, ?)
D. Increasing on (4, ?); Decreasing on (-4, ?); Constant on (-4, 4)
Answer: B
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? 
A. 9x2
B. 
C. 3x
D. 6x
Solve.A multiple birth is any birth with 2 or more children born. The birth rate is the number of births per 1000 women. In one country, the birth rate B of multiple births as a function of age a is given by the function 
for 
What are the independent and dependent variables?
A. The independent variable is age, a; the dependent variable is multiple birth rate, B B. The independent variable is age, a; the dependent variable is the number of children born C. The independent variable is multiple birth rate, B; the dependent variable is age, a D. The independent variable is birth rate; the dependent variable is multiple birth rate
Let 
. Find the composite function.
?
?
A. 
B. 
C. 
D. 
?
E. 
Simplify.340 - 33? 24 ÷ (4?3 - 2?2)
A. 622 B. 939 C. 282 D. 259