Given f(x) = 7xº, find f^-1 (x). Then state whether f^-1(x) is a function.
 
											 
											Answer:
a) (x/7)^1/9=y
Step-by-step explanation:
f(x) = 7x^9
x/7= 7y^9/7
(x/7)^1/9=(y^9)^1/9
(x/7)^1/9=y
f^-1(x) is a fuction because it passes the vl test