Provide an appropriate response.What is the domain of the function y = 
x?
A. (0, ?)
B. (-?, ?)
C. [0, ?)
D. (-?, 0)
Answer: B
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Multiply using the rule for finding the product of the sum and difference of two terms.(x10 + 9)(x10 - 9)
A. x100 - 18x20 - 81 B. x100 - 18 C. x20 - 81 D. x20 + 18x10 - 81
Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Find a formula for the inverse of the function described below.An organization determines that the cost per person of chartering a bus is given by the formula 
where x is the number of people in the group and C(x) is in dollars.
A. C-1(x) = 
B. C-1(x) = 
C. C-1(x) = 
D. C-1(x) = 
Find the inverse of the function.j = {(0, 4), (-2, 5), (-4, 6), (-6, 7)}
A. j-1 = {(4, 0), (5, -2), (6, -4), (7, -6)}
B. j-1 = {(5, 4), (4, -4), (0, -2), (5, 6)}
C. j-1 = {(0, 
), (-2, 
), (-4, 
), (-6, 
)}
D. j-1 = {(5, 4), (7, -4), (0, -4), (5, 6)}