Mathematics - Functions Question with Solution | TestHub

MathematicsFunctionsTypes of Function (Mapping)Medium2 minQB

MathematicsMediummultiple choice

If $f : R \to R, f (x) = e^{- ∣ x ∣} - e^{x}$ is a given function, then which of the following are correct

Answer:

A, D

Solution:

The function is defined as:

$f (x) = {0 e^{- x} - e^{x} x < 0 x \geq 0$

The range of the function is $(- \infty, 0]$ .

Therefore, it is a many-one into function.

Stream:JEESubject:MathematicsTopic:FunctionsSubtopic:Types of Function (Mapping)

⏱ 2mℹ️ Source: QB

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