Question # 1

Every relation, which can be represented by a linear equation in two variables, represents a

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Relation

Cartesian product

Function

Graph

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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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Sin h^-1x = _________

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sin h x

cos h x

tan h x

cot h x

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0

1

2

1/2

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2

4

8

12

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0

-4

none of these

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π

2π

π/2

None of these

If f(x) = -x²then f(-2) is

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-2

2

-4

4

cos h²x + sin h² x

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an even function

an odd function

an even and implicit function

neither even nor a odd

A function F(x) is called even if

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F(x) = F (-x)

F(x) = F(-x)

F(x) = -F(x)

2F(x) = 0

Graph of the question x²+ y²= 4 is

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A circle

An ellipse

A parabola

A square

f(x) = ax + b will be an identity function if

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a = 1 , b = 1

a = 1 , b = 0

The range of inequality x + 2 > 4 is

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(-1, 2)

(-2, 2)

(1,∞)

None

sec h x = ________

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______________ invented a symbolic way to write the statement "y is a function of x" as y= f(x)

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Leibniz

Newton

Euler

None of these

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0

1

-1

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