Question # 1

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0

1

none of these

If f(x) = x²-x then f(1) is

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0

1

2

3

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2

6

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

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trigonometric function

algebraic function

exponential function

logarithmic function

If f(x) = x + 1 then f(z²-1) is

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z²

z²+ 2

z²- 2

none of these

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sin h x

cos h x

tan h x

cot h x

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0

1

1/2

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[0,1[

[0, 1]

]0, 1[

None of these

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f(x) = x²

f(x²) = x

f(x) = x

none of these

f(x) = 2x²+ 3x + 5 is a

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trigonometric function

algebraic function

exponential function

logarithmic function

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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2

4

8

12

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One-one but not onto

One-one and onto

Onto but not one-one

Neither one-one nor onto

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

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dependent variable

independent variable

constant

none of these

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

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α

c

b

d

p(x) = 2x⁴- 3x³+ 2x - 1 is polynomial of degree

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1

2

3

4

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One-to-one and onto

One-to-one but not on to

Onto but not one-to-one

Neither one-to-one nor onto

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ECAT Mathematics Chapter 17 Functions and Limits Online Test MCQs With Answers

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