Functions Quiz - Prottoy Math

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Functions

Functions Quiz enhances your knowledge and skills in functions and all properties of functions. You will have 10 minutes to complete the quiz and if you do not answer any question within the specified time, it will be considered incorrect. You need to get a minimum of 50% marks to pass the quiz. Press the "Start Quiz" button to participate in the quiz.

1 / 10

A function f : R → R given by f(x) = 7x + 5 is -

Constant Function

One-One Function

Onto Function

Identical Function

2 / 10

The domain of trigonometric function sine is -

(−∞, ∞)

[-1, 1]

(0, ∞)

(1, ∞)

3 / 10

If x is an independent variable and y is a dependent variable. Then the function denoted by -

f(x) = f(y)

x = -f(y)

y = f^-1(x)

y = f(x)

4 / 10

The range of inverse trigonometric function sin^-1x is -

(0, ∞)

[-1, +1]

[0, π]

[-π/2, π/2]

5 / 10

If R is a relation from the set B to C, then which is true?

R ⊇ A × B

R ≈ A × B

A ∈ A × B

R ⊆ A × B

6 / 10

If each element in the domain of a function has a distinct image in the co-domain, the function is said to be -

Constant Function

One – One Function

Onto Function

Identical Function

7 / 10

A function f : R → R is defined is defined as y²= x² - 16. Find the range of the function f.

[-1, 1]

[0, ∞)

(−∞, ∞)

(1, ∞)

8 / 10

In a function, f(x), x represents -

Both input and output

Input

None of these

Output

9 / 10

Find the domain of the real-valued function: $\frac{1}{x - 2}$

R – {-2}

R – {2}

R+

10 / 10

Every function has -

Codomain only

Both domain and range

Domain only

Both domain and codomain

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