For the given f(x) and g(x), evaluate the expression.f(x) = 
, g(x) = 
;
(fg)(x)
A. 9|x|
B. 9
C. 3|x|
D. 3
Answer: A
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Solve the problem.An average library contains at least 50 and at most 250 books. How many library owners must be polled to be certain that at least two owners have the same number of books in their libraries?
A. 201 owners B. 203 owners C. 200 owners D. 202 owners
Solve the equation.-15 = y - 27
A. -12 B. 12 C. 42 D. -42
Solve the problem.An investment is worth $3654 in 1993. By 1997 it has grown to $5394. Let y be the value of the investment in the year x, where x = 0 represents 1993. Write a linear equation that models the value of the investment (y) in the year x.
A. y = 
x + 3654
B. y = -435x + 7134
C. y = 435x + 3654
D. y = -435x + 3654
Solve the problem.For the functions f(x) = 
and g(x) = 
, find all real values of x where 
A. -4 B. 10 C. 0 D. no real solution