JEE MATHEMATICS MCQ: FUNCTIONS

1 Easy

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Analyzing +4 | -1

Which of the following functions are odd functions

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Correct option: C

f(x)=\frac{a^x-1}{a^x+1}

Option C,

f(x)=\frac{{a^x-1}}{{a^x+1}}

, is the correct answer because it satisfies the condition

f(-x) = -f(x)

for odd functions.

More Questions from FUNCTIONS

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f:(-\infty, 2] \longrightarrow(-\infty, 4]

f(x)=x(4-x)

f^{-1}(x)

g(f(x))=|\sin x|

f(g(x))=(\sin \sqrt{x})^2

f:\left( {2,\;3} \right) \to \left( {0,\;1} \right)

f\left( x \right) = x - \left[ x \right]

{f^{ - 1}}\left( x \right)

f: R \rightarrow R

f(x)=x^4

f(x)=(x+1)^2-1(x \geq-1)

S=\left\{x: f(x)=f^{-1}(x)\right\}

f(x + y) = f(x)f(y)

\sum\limits_{x = 1}^\infty {f(x) = 2,x,y \in N},

\frac{{f(4)}}{{f(2)}}