Question # 1

If f (x) is defined and continuous then f (x) is always

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Rational function

Trigonometric function

Logarithmic function

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An integral of 1/x dx is:

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1/x²

1/-x²

1/lnx

lnx

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Y = -x log x -x + c

Y = x log x + x

Y = x log x - x + c

None of these

f(x) = sin x + cos²x is

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trigonometric function

algebraic function

exponential function

logarithmic function

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1

0

-2

3

i²=

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1

2

-1

0

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A square matrix A = [aij] is lower triangular matrix when

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aij = 0 for all i<j

bij = 0

cij = 0

dij = 0

(ABC)' =

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CBA'

CBA

C' B' A'

None of these

If (2, 3) is the mid point of (a, 3) and (5, b) then

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a = 1 , b = -3

a = -1 , b = 3

a = 1 , b =3

a = -1 , b = -3

The maximum value of the quadratic function f(x) = -2x2+20x,is

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4

3

50

7

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