Find a formula for the inverse of the function described below.A size 60 dress in Country C is size 10 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = 2x + 20
B. f-1(x) = 2(x + 20)
C. f-1(x) = x + 20
D. f-1(x) = 2(x - 20)
Answer: B
Mathematics
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Factor the trinomial completely.12x3 + 25x2 + 12x
A. x(12x + 1)(x + 12) B. x(4x - 3)(3x - 4) C. x(4x + 3)(3x + 4) D. (12x2 + 3)(x + 4)
Mathematics
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.6 ln x - 
ln y
A. ln 
B. ln x6y4
C. ln x6
D. ln 
Mathematics
Look for a pattern and then predict the general term, or nth term, an, of the sequence.3, 9, 27, 81, 243, . . .
A. an = 6n B. an = 3n C. an = 3n-1 + 2 D. an = 3 + 6(n - 1)
Mathematics
Evaluate 
.
?
?
A. 2 B. 20 C. 30 D. 6 E. 12
Mathematics