Question # 1

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sin h x

cos h x

tan h x

cot h x

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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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images

pre-images

constants

none of these

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The curve f(x,y) = 0 has a central symmetry if

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f(-x,-y)=f(x,y)

f(x,-y)=f(x,y)

f(-x,y)=f(x,y)

f(-x,-y)≠f(x,y)

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f(x) = x²

f(x²) = x

f(x) = x

none of these

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sin h x = ___________

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Sin h^-1x = _________

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0

-2

1

4

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2

0

f(x) = x3-x/x2+1 is :

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an even function

an odd function

an even and implicit function

neither even nor a odd

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

The periods of the function f(x) = x[x] is

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1

2

Non periodic

None of these

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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The behavior of trigonometric function is called

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Continuity

Discontinuity

Periodicity

Smoothness

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

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1

2

3

4

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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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2

6

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2

4

8

12

If f(x) = x³- 2x²+ 4x -1, then f(-2) = ?

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0

-25

5

45

Inverse of the function y-10x is

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y=logx

y=lnx

x=10y

The domain of f(x) = log x is

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[0,∞]

(0,∞)

[0,∞[

[∞,∞]

f(x) = log x + 3 is a

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trigonometric function

algebraic function

exponential function

logarithmic function

The period of the function f(x) = sin⁴x + cos⁴x is

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π

π/2

2π

None of these

The largest possible domain of the function:

y=√(x ) is:

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(0 ,∞)

12

(3 , 12)

( 3 ,∞)

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0

1

-1

none of these

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

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