Subtract.
- 
A. -6
B. 
C. - 
D. - 
Answer: D
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For the pair of functions, perform the indicated operation.f(x) = 3x + 8, g(x) = 4x + 6
Find (f ? g)(x).
A. 12x2 + 50x + 48 B. 7x2 + 50x + 14 C. 12x2 + 48 D. 12x2 + 38x + 48
Solve the problem.Alan and Sue want to rescue their kitten who is stuck 3.7 m up in a tree. Sue stands on Alan's shoulders. The distance from Alan's feet to the top of his shoulders is 1 m 64 cm. When Sue extends her arms above her head the distance from her feet to the tip of her fingertips is 1 m 80 cm. How high will Sue be able to reach when she stands on Alan's shoulders? Give your answer in meters. Will they be able to reach the kitten?
A. 3.44 m; no B. 16.4 m; yes C. 2.44 m; no D. 2.144 m; no
Graph the equation by plotting points.-2.5x + 1.5y = 7
A. 
B. 
C. 
D. 
Solve the problem.The population(in thousands) of a small town is modeled by the function P(t) = 
, t ? 0. The point of inflection occurs at a time when the rate of increase of the population is beginning to slow down. At what time does the point of inflection occur?
A. t = 34.5 B. t = 27.6 C. t = 23.0 D. t = 18.4