1.

Which of the following statements is always true ?

Answer»

If f(x) is increasing , then `f^-1(x)` is DECREASING.
If f(x) is increasing , then `(1)/(f(x)` is also increasing.
If f and G are POSITIVE functions and f is increasing and g is decreasing , then f/g is a decreasing funiction .
If f and g are positive functions and f is decreasing and g is increasing , then f/g is a decreasing funiction .

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