Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = x2 + 1 , g(x) = 
- 1
A. Yes, yes
B. No, yes
C. Yes, no
D. No, no
Answer: D
Mathematics
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Solve the problem.A fisherman is about to reel in a 14-lb fish located 13 ft directly below him. If the fishing line weighs 1 oz per foot, how much work will it take to reel in the fish? Round your answer to the nearest tenth, if necessary.
A. 266.5 ft ? lb B. 195 ft ? lb C. 187.3 ft ? lb D. 192.6 ft ? lb
Mathematics
Use the quadratic formula or graphing methods to solve the inequality.8x2 - 36x + 8 ? 0
A. x ? 
? 0.234 or x ? 
? 4.266
B. 
? 0.234 ? x ? 
? 4.266
C. x ? 
? 0.234
D. x ? 
? 4.266
Mathematics
Find 
at the given point. 2xy - 2x + y = -14; (2, -2)
A. - 
B. 
C. - 
D. 
Mathematics
Graph the ellipse.
+ 
= 1
A. 
B. 
C. 
D. 
Mathematics