Question # 1

xy= 2 is:

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a constant function

an identity function

an improper function

implicit function

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2

6

The domain of y = cos-1 x is

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-∞ < x < ∞

-1≤ x≤ 1

x≤ -1 or x ≥ 1

None of these

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0

1

none of these

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Does not exist because f is unbounded

Is not attained even though f is bounded

Is equal to 1

Is equal to -1

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0

-2

1

4

The period sin²θis

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π²

π

2π

π/2

f(x) = 2x²+ 3x + 5 is a

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trigonometric function

algebraic function

exponential function

logarithmic function

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2

4

8

12

If f(x) = x²then f(-2) is

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-2

2

4

-4

Which is an explicit function

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y = x²+ 2x - 1

x²+ xy + y²= 2

x²+ y²= xy + 2

All are

In common logarithm the base is

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1

0

10

e

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

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)

The largest possible domain of the function:

y=√(x ) is:

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(0 ,∞)

12

(3 , 12)

( 3 ,∞)

If f(x) = x²- x then f(2) is

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4

6

2

0

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If x is an image of y under the function f. This can be written as

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y = f(x)

f(x) = 0

x = f(y)

f(y) =0

f(x) = x is

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trigonometric function

exponential function

quadratic function

identify function

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f(x) = log x + 3 is a

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trigonometric function

algebraic function

exponential function

logarithmic function

f(x) = 3x⁴ -2x² + 7 is:

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an even function

an odd function

an even and implicit function

neither even nor a odd

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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

If f(x) = -x²then f(-2) is

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-2

2

-4

4

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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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

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(1,7/3)

(1, 7/5)

(1, 11/7)

(1, 3/5)

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