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Functions question

2025 · 28 Jan · Shift 2 · Q44

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PYQ Library
JEE Main
Mathematics
Functions
2025 · 28 Jan · Shift 2 · Q44

Functions question

2025 · 28 Jan · Shift 2 · Q44

JEE MainMathematicsFunctionsMCQ+4 / −1

Let

f:[0,3] \rightarrow

A be defined by

f(x)=2 x^3-15 x^2+36 x+7

and

g:[0, \infty) \rightarrow B

be defined by

g(x)=\frac{x^{2025}}{x^{2025}+1}

, If both the functions are onto and

S=\{ x \in Z ; x \in A

or

x \in B \}

, then

n(S)

is equal to :

A
29
B
31
C
30
D
36

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