- #1
IDontKnow430
- 2
- 0
Homework Statement
a.)y=sqrt(2^x -1) . I tried:b.)y=log(sqrt(2^x -2)) and
c.)y=log^3 (2-sqrt(x)).
Homework Equations
The Attempt at a Solution
x=sqrt(2^y -1)
x^2 = 2^y -1
2^y = x^2 +1
y=log2(x^2 +1)
y=2 log2(x+1) is that correct result?
regarding b and c I am just lost :/. Will appreciate any help