Solve the problem.Stevie bought a stereo for $285 and put it on sale at his store at a 55% markup rate. What was the retail price of the stereo?
A. $385.00
B. $341.75
C. $441.75
D. $570.00
Answer: C
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Find f-1(x) for the following one-to-one function f.f(x) = x3 - 1
A. f-1(x) = 
B. f-1(x) = x3 + 1
C. f-1(x) = 
D. f-1(x) = 
+ 1
Solve and graph. Write the solution in interval notation. 
+ 1 > 3
A. 
? 
B. 
C. 
? 
D. 
Perform the indicated operation.(5b2 + 8b - 1) - (-2b2 - 8)
A. 7b2 + 8b + 7 B. 7b2 + 16b - 1 C. 3b2 + 16b - 1 D. 3b2 + 8b - 9
Provide an appropriate response.If we are looking for the critical points 
on the surface of 
then we study the tangent lines to 
along the slices parallel to the 
and 
These tangent lines must have which of the
following properties?(i) They must be perpendicular.(ii) They must be horizontal.(iii) They must be horizontal, but not perpendicular. (iv) They must be perpendicular, but not horizontal. A. Only (iii) is correct. B. Only (ii) is correct. C. Both (i) and (ii) are correct. D. Only (iv) is correct.