Solve the problem.Find (fg)(x) given f(x) = 9x - 1 and g(x) = 3x - 9.
A. 27x2 - 12x + 9
B. 27x2 + 9
C. 27x2 - 84x + 9
D. 12x2 - 84x - 10
Answer: C
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Solve the problem.Find the center of mass of the lamina in the first quadrant bounded by the coordinate axes and the curve 
if 
.
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Solve the problem.An office manager needs to buy new filing cabinets. Cabinet A takes up 8 square feet of floor space. Cabinet B takes up 4 square feet of floor space. The office has room for no more than 32 square feet of cabinets. Thus, 
where x is the number of A cabinets and y is the number of B cabinets. Does the office have enough floor space for 3 A cabinets and 4 B cabinets?
A. Yes B. No
Work the application.For the first three months of the year, Jackie's business reported sales of $3544, $2949, and $2633. If Jackie's sales for the fourth month are $3116, what will her year-to-date sales be?
A. $12,242 B. $12,352 C. $12,342 D. $12,252
Write the following proportions.8 children is to 18 bicycles as 4 children is to 9 bicycles
A. 
= 
B. 
= 
C. 
= 
D. 
= 