Question # 1

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f(x) = x²

f(x²) = x

f(x) = x

none of these

If f(x) = x²then f(2) is

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-2

2

4

-4

The range of inequality x + 2 > 4 is

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(-1, 2)

(-2, 2)

(1,∞)

None

The function discontinuous at x = 0 is (1) tan x (II) cot x (III) sec x (iv)cosec x)

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I & III

I & IV

II & IV

II & III

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Point (2,0) lies on trigonometric function f(x)=______;

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sinx

cosx

tanx

secx

Which is not included in the domain of cos^-1x

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0

1

-1

2

f(x) = sin x + cos²x is

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trigonometric function

algebraic function

exponential function

logarithmic function

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0

1

8

∞

f(x) = log x + 3 is a

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trigonometric function

algebraic function

exponential function

logarithmic function

If f(x) = x²then f(0) is

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0

1

2

none of these

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π

2π

π/2

None of these

If y=f(x) is a function then x is called

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dependent variable

independent variable

constant

none of these

The domain of the function x/x² -4 is given by

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R

R + 2

[R - (+2)

R-4

In natural logarithm the base is

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1

0

10

e

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quadratic function

constant function

linear function

exponential function

The range of y=x2 + 1 is the set of non-negative real numbers except

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0≤ y < 1

0 < y < 1

0≤ y≤ 1

0 < y≤1

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sin h x

cos h x

tan h x

cot h x

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