The given equation relates the variables c, x, and y, where c > 0, x > 0, and y > 0. Which equation correctly expresses y in terms of c and x ?

The correct answer is:

We use simple algebraic manipulations to solve the problem.
Explanation:
Step 1 of 1:
The given equation is— , where , , .
, (by multiplying both sides with )
, (by dividing both sides by c)
The above expression is defined since .
Final Answer:
The right option is — .