Will give brainliest

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =