Determine whether the function is one-to-one. If so, find a formula for the inverse.f(x) = 
x - 3
A. f-1(x) = 5x + 15
B. f-1(x) = 
C. f-1(x) = 5x + 3
D. Not a one-to-one function
Answer: A
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Find the volume of the solid generated by revolving the region about the given line.The region in the second quadrant bounded above by the curve y = 16 - x2, below by the x-axis, and on the right by the y-axis, about the line x = 1
A. 
?
B. 128?
C. 
?
D. 
?
Determine whether the statement is true or false.9 ? 7
A. True B. False
Write the indicated event in set notation.The event that Betty and Emily are selected as board members when three board members are selected at random from the following group: Allison, Betty, Charlie, Dave, and Emily. [The possible outcomes can be represented as follows.ABCABDABEACDACEADEBCDBCEBDECDE]
A. 
B. 
C. 
D. 
Find the future value and the amount of simple interest earned using the given principal P, interest rate i, and time t. Round to the nearest cent.P = $10,100, i = 3.8%, t = 9 months
A. $10,355.87; $255.87 B. $319.83; $10,419.83 C. $10,387.85; $287.85 D. $10,390.27; $290.27