Are Two Functions Inverses of Each Other? (5.1.3)

Question 1

• The graphs of inverse functions are reflections of each other across the line y = x.

Answer 1

• The graphs of inverse functions are reflections of each other across the line y = x.

Question 2

• The notation means “the inverse of the function f (x)”.

Answer 2

• The notation means “the inverse of the function f (x)”.

Question 3

• Inverse functions satisfy the two equations ff^-1(x)=x and f^-1f(x)=x.

Answer 3

• Inverse functions satisfy the two equations ff^-1(x)=x and f^-1f(x)=x.