Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 
, g(x) = 3x + 4
A. No, yes
B. No, no
C. Yes, no
D. Yes, yes
Answer: D
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The number y of hits a new search-engine website receives each month can be modeled by 
where t represents the number of months the website has been operating. The website received 10,000 hits in its third month. Find the value of k, and use this value to predict the number of hits the website will receive after 22 months.
a. 
about 184,894,691,979 hits
b. 
about 2,921,047 hits
c. 
about 22,832,533,585 hits
d. 
about 57,970,933 hits
Use the given information to find the equation of the circle.Endpoints of a diameter: (-5, -2) and (3, 5)
A. 
2 + 
2 = 
B. 
2 + 
2 = 13
C. 
2 + 
2 = 113
D. 
2 + 
2 = 53
The Richter scale converts seismographic readings into numbers for measuring the magnitude of an earthquake according to this function M(x) = log 
, where x0 = 10-3.What is the magnitude of an earthquake whose seismographic reading is 7.6 millimeters at a distance of 100 kilometers from its epicenter? Round the answer to the nearest tenth.
A. 880.8 B. 3.9 C. 2.9 D. 2.6
Determine whether the statement is true or false.? The point ( -n, 0b) is symmetric to the point (n, 0b) with respect to the y-axis.
Answer the following statement true (T) or false (F)