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: C
Mathematics
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Simplify.(-2x6y)(-7x5y2)
A. -9x11y2 B. -14x11y2 C. 14x30y2 D. 14x11y3
Mathematics
Solve the linear equation with the intersection-of-graphs method. Approximate the solution to the nearest hundredth if necessary.9x + 9.2 = -0.4
A. 1.07 B. 1.04 C. 0.98 D. -1.07
Mathematics
Identify the equation as a parabola, circle, ellipse, or hyperbola.9x2 = 4y2 + 36
A. Ellipse B. Parabola C. Circle D. Hyperbola
Mathematics
Simplify the expression. Assume that variables represent nonzero numbers.
2
A. 
B. 
C. x2y2
D. 
Mathematics