For the pair of functions, perform the indicated operation.f(x) = 3 - 4x, g(x) = -9x + 4Find f + g.
A. -6x
B. -9x + 3
C. 5x + 7
D. -13x + 7
Answer: D
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Graph the inequality.y ? 4x 
A. 
B. 
C. 
D. 
Use the factoring method to identify the LCD for the pair of fractions.
, 
, 
A. 108 B. 270 C. 180 D. 540
The graph of a logarithmic function is shown. Select the function which matches the graph.
A. f(x) = log4(x + 1) B. f(x) = log4x - 1 C. f(x) = log4x D. f(x) = log4(x - 1)
Solve using an equation.During the fall semester, 198 students registered for Chemistry. The morning class has 28 fewer students than the afternoon class. The evening class has 10 more students than the afternoon class. How many students registered for each class?
A. morning class = 44 students; afternoon class = 82 students; evening class = 72 students B. morning class = 44 students; afternoon class = 72 students; evening class = 82 students C. morning class = 16 students; afternoon class = 100 students; evening class = 82 students D. morning class = 72 students; afternoon class = 44 students; evening class = 82 students