Decide whether the given functions are inverses.f = {(4, 8), (8, -2), (-2, -7)}g = {(8, 4), (-2, 8), (-7, 4)}
A. Yes
B. No
Answer: B
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Vertices at (2, 0) and (-2, 0); foci at (9, 0) and (-9, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Simplify the expression using the order of operations.-(-4)3
A. -12 B. -64 C. 64 D. -1
Find the product.(x2 + 6)(x4y + x2 + 6)
A. x6y + 6x4y + x4 + 12x2 + 36 B. x6y + 6x4y + 6x4 + 12x2 + 12 C. x6y + 6x4y + x4 + 12x2 + 12 D. x6y + 6x4y + 6x4 + 12x2 + 36
Solve the problem.A company that produces inflatable rafts has costs given by the function 
, where x is the number of inflatable rafts manufactured and C(x) is measured in dollars. The average cost to manufacture each inflatable raft is given by 
(x) = 
. Find 
(200). (Round to the nearest dollar, if necessary.)
A. $34 B. $135 C. $35 D. $125