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Let f : R rarr R be defined by f (x) = ...

Let `f : R rarr R` be defined by f (x) `= x^2 - 3x + 4` for all x `in` R , then `f^-1` (2) is equal to

A

(1,2)

B

(1,2)

C

(1,2)

D

none of these

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PRADEEP PUBLICATION-RELATIONS AND FUNCTIONS-EXERCISE
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  3. Let f : R rarr R be defined by f (x) = x^2 - 3x + 4 for all x in R , ...

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  4. Let f: Rrarr R be defined as f(x) = 2x for all x in N , then f is

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  5. If f is a function from a set A to A, then f is invertible iff f is

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