Question # 1

A polynomial of arbitrary degree

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f(x) = o

f(x) = x

f(x) = a

f(x) = ax + b,a ≠ 0

For f(x) = x2, what is the value of f(a) +f (-a) in terms of a?

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3a2

2a2

2a

-7a

In R the right cancellation property w.r.t. addition is

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The n numbers A₁,A₂,A₃,.....A_nare called an arithmetic means between a and b if a.A₁,A₂,A₃.....A_n, b is ______

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An arithmetic series

An arithmetic sequence

A geometric sequence

A harmonic sequence

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1

5

7

9

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w¹⁵= ______

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0

1

w

w²

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If A ⊆ B then A ∪ B is

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A

B

A'

A ∩B

The distance of the point (2.3) from x-axis is

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2

3

5

If y = 2x , then

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y1 -ln2y = 0

y2-(ln2)2 y = 0

y2-(ln2)y1 = 0

All are correct

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cos 3x + c

- cos 3x + c

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In the function f: A⟶B, the elements of a are called

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Images

Pre-images

ranges

Parameters

A stationary point x is a relative exterma of y= f(x) is

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f′′ (x) > 0

f′′ (x) < 0

f′′ (x) ≠ 0

f′′(x) = 0

6! = ______

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360

720

6.5.4

None of these

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16 / 7

6 / 17

7 / 16

None of these

Out of 10, 000 families with 4 children each, the number of families all of whose children are daughters is

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375

500

625

150

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-10

10/7

-10/7

-7/10

The value of sin-1 24/25 is equal to

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csc-1 25/24

sec-1 24/25

2 tan-1 4/5

2cos-1 24/25

The point ________ is in the solution of the inequality 2x - 3y > 5

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(1, -1)

(2,2)

(0,0)

(3,0)

The number of combinations of 10 different objects taken 8 objects at a time is

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90

45

55

50

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2x + 3

x²+ 3 + c

There are two middle terms in the expansion of (a+x)n if n is

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Even +ve integer

+ve integer

Odd +ve integer

All

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0

90°

180°

360°

The interval in which f(x)=x3-6x2+9x is increasing

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1<x<3

x<1 and x>3

X ≥1 and x ≤ 3

-∞ < x < ∞

nCn-r is equal to

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n!

n-1Cr

nCr

None of these

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