Question

What is the inverse of this function?
f(x)=Log2(7x)
((2 is the base of log))

Answer 1

y=2^x/7

Answer 2

(2^x)/7
There

Answer 3

you can check too:
f(f-1(x))=Log2(7*(2^x)/7)
=Log2(2^x)
=x

Answer 4

start by switching the x & y's so it turns to x=log2(7y). then use the rule to make 2^x =7y. then divide by 7.