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: A
Mathematics
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A. 5i - j B. 5i - 2j C. i - 5j D. 11i + j
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Perform the indicated operation.(11x2 - xy - y2) + (x2 + 6xy + 4y2)
A. 11x2 + 6xy + 4y2 B. 10x2 - 7xy - 5y2 C. 12x2 + 5xy + 3y2 D. 12x2 + 7xy + 5y2
Mathematics
Convert the rectangular equation to a polar equation that expresses r in terms of ?.(x - 2)2 + y2 = 4
A. r = -4 sin ? + 4 B. r2 = 4 cos ? C. r = 4 cos ? D. r = 4 sin ?
Mathematics
Give an expression that generates all angles coterminal with the given angle. Let n represent any integer.-210°
A. -210° + 2n? B. -210° + n ? 90° C. -210° + n ? 180° D. -210° + n ? 360°
Mathematics