Question # 1

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One-one but not onto

One-one and onto

Onto but not one-one

Neither one-one nor onto

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A,. B, C are coincident

A, B, C are collinear

Both A and B

None of these

The distance s of a particle in time t is given by s = t³- 6t²- 4t - 8. Its acceleration vanishes at t =

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1

2

3

4

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2

5

7

None of these

If all members of a sequence are real numbers then it is called a

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Series

Function

Real sequence

Range

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0 is a symbol of

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singleton set

Empty set

Equivalent set

Infinite set

A rule that assigns to each elements x in X a unique element y in Y is called a ____________

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domain

range

function

none of these

The additive inverse of 2/3 is

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3/2

-2/3

-3/2

0

The set {1,-1,i,-i}

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Form a group w.r.t addition

Form a group w.r.t multiplication

Does not form a group w.r.t multiplication

Not closed under multiplication

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