Solve the problem.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. Find the inverse of the function.

A. C-1(x) = 
B. C-1(x) = 
C. C-1(x) = 
D. C-1(x) = 


Answer: C

Mathematics

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Classify the number as one or more of the following: whole number, integer, rational number, irrational number, or real number.

A. Rational number, irrational number, real number B. Rational number C. Rational number, real number D. Real number

Mathematics

Find the area of the triangle.

A. 30 m2 B. 120 m2 C. 64 m2 D. 32 m2

Mathematics

Find .y = (x2 + 7x)40

A. 40(x2 + 7x)39(2x + 7) B. 40(x2 + 7x)38(158x2 + 1106x + 1911) C. 1560(x2 + 7x)38 D. 40(x2 + 7x)38(2x2 + 92x + 273)

Mathematics

Solve. Give your answer as a mixed numeral.Annie must send two packages. One of the packages weighs 13 lb and the other weighs 19 lb. What is the total weight of the two packages?

A. 33 lb
B. 13 lb
C. 32 lb
D. 31 lb

Mathematics