Find a formula for the inverse of the function described below.An organization determines that the cost per person of chartering a bus is given by the formula 
where x is the number of people in the group, and C(x) is in dollars.
A. C-1(x) = 
B. C-1(x) = 
C. C-1(x) = 
D. C-1(x) = 
Answer: D
Mathematics
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Solve the system of equations by the elimination method.-5x - 4y = 2-15x - 12y = -6
A. no solution B. infinitely many solutions C. (10, 8) D. (-10, -8)
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Find the determinant of the given matrix.
A. 48 B. -48 C. -14 D. 0
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Multiply.5,000 × 1,000
A. 5,000 B. 5,000,000 C. 5,000,000,000 D. 1,000,000
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Solve the equation.10y2 + 23y + 12 = 0
A. - 
, - 
B. 
, - 
C. - 
, - 
D. 
, 
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