6 . If f(x) is a linear function and the slope of y = f(x) is , what is the slope of y = f−1(x)?
(A) − 2
(B)
(C)
(D) 2
(E) It cannot be determined from the information given.
6 . If f(x) is a linear function and the slope of y = f(x) is , what is the slope of y = f−1(x)?
(E) It cannot be determined from the information given.