Question # 1

f(x) = x³is:

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an odd function

an even function

an implicit function

a quadratic funtion

The function f : x→ y defined as f (x) =α∀x∈ X,α∈ y is called

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Constant function

Polynomial function

Identity function

Linear function

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R/[0,4]

R/(0,4)

(0,4)

[0,4]

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

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a = 1 , b = 1

a = 1 , b = 0

If f(x) = x²- x then f(2) is

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4

6

2

0

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0

-2

1

4

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0

1

2

1/2

If f(α) = b2 and g (c) =d where c=b2 then (gof)(a) is

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α

c

b

d

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0

1

-1

If a variable y dependents on a variable x in such a way that each value of x determines exactly one value of y, then we say that

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x is function of y

y is a function of x

y is independent variable

x is real valued function

If f(x) = tan x then f(0) is

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0

1

1/2

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0

1

none of these

f (x) = | x | is a/an

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Injective function

Bijective function

Surjective function

Implicit function

Sin h^-1x = _________

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(1,7/3)

(1, 7/5)

(1, 11/7)

(1, 3/5)

πis the period of the function

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|sin x| + |sin x|

sin⁴x + cos x

sin (sin x) + sin (cos x)

None of these

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π

2π

π/2

None of these

f(x) = 2^x+ 3 . 2^2x+ 5 is

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trigonometric function

algebraic function

exponential function

logarithmic function

f(x) = log x + 3 is a

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trigonometric function

algebraic function

exponential function

logarithmic function

What is range of the function g (x) =|x-3|?

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[0 ,∞ )

(0 ,∞)

(-∞ ,3]

[0,∞)

The range of function f(x)=-x2+2x-1 is

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R

(-∞,0]

(-∞,1]

[0,∞)

The period sin²θis

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π²

π

2π

π/2

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

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Rational function

Trigonometric function

Logarithmic function

All are correct

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If f(x) = x³- 2x²+ 4x -1 then f(2) is

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7

-16

16

-9

f(x) = sin x is:

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an odd function

an even function

an implicit function

an exponential function

sec h x = ________

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Express the perimeter P of square as a function of its area A?

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P = 4√A

P =√A

P = 2A

P =π√A

if f(x) = x³ -3x² +5x -1, then f(-√2)=

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7+7√2

3+3√2

-7-7√2

-3-3√2

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