Find a formula for the inverse of the function described below.A size-46 dress in Country C is size 15 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = 2x + 8
B. f-1(x) = 2(x + 8)
C. f-1(x) = x + 8
D. f-1(x) = 2(x - 8)
Answer: B
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Write the whole number in expanded form.30,100
A. 30,000 + 100 B. 3,100,000 C. 30,000 + 1000 D. 3000 + 100
Find a matrix A and a column matrix B that describe the following tables involving credits and tuition costs. Find the matrix product AB, and interpret the significance of the entries of this product.
?
A.
AB = 
The number of credits for Student 1 is 12, the number of credits for Student 2 is 17, and the number of credits for Student 3 is 15.
B.
AB = 
The number of credits for Student 1 is 17, the number of credits for Student 2 is 15, and the number of credits for Student 3 is 12.
C.
AB =
Tuition for Student 1 is $800, tuition for Student 2 is $650, and tuition for Student 3 is $860.
D.
AB = 
Tuition for Student 1 is $900, tuition for Student 2 is $800, and tuition for Student 3 is $610.
Provide an appropriate response.When using the intersection-of-graphs method of graphical solution, explain the significance of the 
at the bottom of the graphing calculator display.
What will be an ideal response?
Compute 
(h ? 0) for the given function.f(x) = 5x2 + 6x
A. 10x + 6 B. 10x2 + 5h + 6x C. 15x - 7h + 12 D. 10x + 5h + 6