Question

For parts (a), (b), and (c), let A = {(5,-4),(6,-8),(9,8),(-5,4)}. (a) Is A a function? (b) Is A a one-to-one function? (c) If the answers to (a) and (b) are yes, find $A^{-1}$. (a) Is A a function? Yes No (b) Is A a one-to-one function? Yes No (c) Find $A^{-1}$. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. $A^{-1} = \{ $ (Type ordered pairs. Use a comma to separate answers as needed.) B. A is not a one-to-one function.

          For parts (a), (b), and (c), let A = {(5,-4),(6,-8),(9,8),(-5,4)}.
(a) Is A a function?
(b) Is A a one-to-one function?
(c) If the answers to (a) and (b) are yes, find $A^{-1}$.
(a) Is A a function?
Yes
No
(b) Is A a one-to-one function?
Yes
No
(c) Find $A^{-1}$. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. $A^{-1} = \{
$
(Type ordered pairs. Use a comma to separate answers as needed.)
B. A is not a one-to-one function.

$For parts (a), (b), and (c), let A = (5,-4),(6,-8),(9,8),(-5,4). (a) Is A a function? (b) Is A a one-to-one function? (c) If the answers to (a) and (b) are yes, find A^-1. (a) Is A a function? Yes No (b) Is A a one-to-one function? Yes No (c) Find A^-1. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. A^-1 = { (Type ordered pairs. Use a comma to separate answers as needed.) B. A is not a one-to-one function.$

Added by Mitchell M.

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