For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 
;
Find (f ? g)(x).
A. 
B. 
C. 
D. 
Answer: B
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Provide an appropriate response.Which of the following is not an advantage of mutual fund investing?
A. guaranteed return B. professional management C. diversification D. liquidity
Use a graphing calculator and the method of matrix inverses to solve the system. Give five decimal places, if necessary.x - 
y = 3.72.85x + y = -8.23
A. {(2.61630, -2.88772)} B. {(0, 0)} C. {(3.43297, 0.18882)} D. {(-1.57817,-3.73223)}
Provide an appropriate response.Higgens buys toy trucks for $12.00 each and sells them for $16.00. The markup based on cost is 23.1%.
A. True B. False
Solve the problem.The expression 0.60(226 - a - r) + r is used to obtain the target heart rate for a cardiovascular workout for a nonathletic female with age a and resting heart rate r. The accompanying table shows the target heart rate for a 19-year-old nonathletic female for various resting heart rates. Find the missing entries. 
A. 155; 157.4 B. 154.6; 158.6 C. 153.8; 156.6 D. 154.2; 158.2