Full solutions to 12 and 13

Consider the one-to-one function f(x) = v x3 + x2 + x + 1 for x 2 -1. (a) Find, by inspection, an x-value for which f(x) = 2. X = (b) Determine (f-1(x))' when x = 2. ( f- 1 (2 ) )' = Submit Answer 13. [-/4 Points] DETAILS MY NOTES PRACTICE ANOTHER Consider the one-to-one function f(x) = \\ 22 - 18x. (a) Determine f-1(2). f- 1 ( 2 ) = (b) Determine (f-1(x))' when x = 2 using the formula (f-(x)) = F.(f-1(x)) 1 (f- 1 (2 ) )' = (c) Find a formula for f-1(x). f - 1 ( x ) = (d) Use part (c) to determine (f-1(x))' when x = 2. ( f- 1 (2 ) ) ' =