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 is the domain of the linear function?
A. (15, 47)
B. [15, 47]
C. [2, ?)
D. [15, ?)
Answer: B
Mathematics
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Find the area of the region specified in polar coordinates.The region enclosed by the curve r = 9 + cos ?
A. 41?
B. 82?
C. 
?
D. 
?
Mathematics
In the circuit below, Vin = 7 V, R = 250 ê, xC = 1000 ê at fr, and C = 90 pF. Find fr and Q.
a. fr = 3.1 MHz, Q = 10
b. fr = 1.8 MHz, Q = 4
c. fr = 1.8 MHz, Q = 1.8
d. fr = 1.2 MHz, Q = 6
e. fr = 1.0 MHz, Q = 4
Mathematics
Write the integer that corresponds to the situation.John lost 31 pounds while on his diet.
A. -31 pounds B. 31 pounds
Mathematics
Graph.y = 3x - 4
A. 
B. 
C. 
D. 
Mathematics