Simplify the complex fraction.
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Find the domain of the composite function f ? g.f(x) = 
; g(x) = 
A. {x 
B. {x 
C. {x 
D. {x 
Mathematics
Factor the expression.(x - 9)-3/2 - (x - 9)-1/2 + (x - 9)1/2
A. (x - 9)3/2(x2 + 18x - 91) B. (x - 9)-3/2(x2 - 19x + 91) C. (x - 9)-3/2(x2 - 19x - 82) D. (x - 9)-3/2(x2 + 19x - 91)
Mathematics
Solve the problem. Round your answer to the nearest tenth.A wagon is pulled horizontally by exerting a force of 60 pounds on the handle at an angle of 25° to the horizontal. How much work is done in moving the wagon 50 feet?" .
A. 2110.8 ft-lb B. 1617.4 ft-lb C. 2718.9 ft-lb D. 1267.9 ft-lb
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 13x2
Mathematics