Mark the correct alternative in the following:
If f : Q → Q is defined as f(x) = x², then f^-1 (9)s is equal to

Replace f(x) by y,

Replace x by and y by x.

So,

Option C is correct.

Question

Mark the correct alternative in the following: If f : Q → Q is defined as f(x) = x 2 , then f -1 (9)s is equal to

Philoid · Accepted Answer

Replace f(x) by y,

Replace x by and y by x.

So,

Option C is correct.