JEE Main

AI Gen: Sets Relations Functions question bank (Mathematics)

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Q1.

If set A has 3 elements and set B has 4 elements, then the number of subsets of A union B containing at least 2 elements is:

Topic: Sets Relations Functions | Source: AI Generated (JEE Main)

(A)

127

(B)

120

(C)

128

(D)

255

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Q2.

Let f(x) = x^2 - 1 and g(x) = 2x + 3 be real functions. Then the value of (f o g)(2) is:

Topic: Sets Relations Functions | Source: AI Generated (JEE Main)

(A)

(B)

(C)

(D)

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