Find a formula for the inverse of the function described below.A size 12 dress in Country C is size 48 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = 
+ 12
B. f-1(x) = x - 12
C. f-1(x) = 
- 12
D. f-1(x) = 
Answer: C
Mathematics
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Find an equation of a parabola satisfying the given conditions.Focus at 
, directrix y = - 
A. x2 = 3y B. y2 = 3x C. y2 = 12x D. x2 = 12y
Mathematics
Solve.Jorge has a total of 66 coins in a jar, all of which are either dimes or nickels. The total value of the coins is $6.05. If n represents the number of nickels Jorge has, solve the following equation to find the number of nickels in the jar.
A. 13 nickels B. 11 nickels C. 16 nickels D. 55 nickels
Mathematics
Solve the equation.9x = 27
A. 
B. 
C. 
D. 
Mathematics
Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = 11(x - 3)2 + 8
A. (-3, 8) B. (3, 8) C. (8, -3) D. (11, 3)
Mathematics