Question

If functions f and g are inverses of each other, then what is their composition, f(g(x))? (only have 2 hours to answer!) a. f(x) b. 0 c. 1 d. x

Answer 1

Answer: (d) x

Explanation:

Inverses cancel each other leaving you with whatever is in the parenthesis.

Examples:

f(g(x)) = x

f(g(1)) = 1

f(g(2bc) = 2bc