Expand the expression using the Binomial Theorem.(3x - 3y)3
A. 9x3y - 18x2y2 + 9xy3
B. 27x3 - 81x2y + 81xy2 - 27y3
C. 9x3y - 9x2y2 + 9xy3
D. 27x3 - 27x2y + 27xy2 - 27y3
Answer: B
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State the domain and range of the one-to-one functions f and f-1.f(x) = 
A. f(x): domain (-?, ?), range (-?, ?);
f-1(x): domain (-?, ?), range (-?, ?)
B. f(x): domain 
? 
, range 
? 
;
f-1(x): domain 
? 
, range 
? 
C. f(x): domain 
? 
, range (-?, 1) ? (1, ?);
f-1(x): domain (-?, 1) ? (1, ?), range 
? 
D. f(x): domain 
? 
, range (-?, 0) ? (0, ?);
f-1(x): range (-?, 0) ? (0, ?), range 
? 
Solve the equation by factoring.9x2 - 12x + 4 = 0
A. 
B. 
C. 
D. 
Factor the expression by removing the greatest common factor.5t2 - 15t - 20
A. 5t
B. 5
C. 5
D. 5
Use the alphabet coding method (A =1, B = 2, C = 3, ... Z = 26) to solve the problem.The function defined by f(x) = x + 2 was used to encode a message as: 15 3 22 10 9 7 16 11 23 21Find the inverse function and determine the message.
What will be an ideal response?