f the relationships below are given in the form (input, output), which pairing always describes a function?

no, x cannot be the same number. in all of them, x is 1. for one input there is another output. g is not a function

give brainliest

ab will be equal to

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong

step-by-step explanation:

to find if any function is an inverse of the other, put the first equation in as x in the next one. then simplify and solve. if at the end you get the statement y = x, then it is an inverse. if you get anything else, it is not.