Question 1

In how many points does a horizontal line test cross the graph of a one-to-one function?

Accepted Answer

1

Answer

0

Answer

3

Answer

2

Question 2

Which of the following sets of ordered pairs demonstrates a one-to-one function?

Accepted Answer

{(1,5), (2,6), (3,7)}

Answer

{(-1,0), (0,-1), (0,1)}

Answer

{(2,4), (3,4), (4,4)}

Answer

{(1,2), (1,3), (1,4)}

Question 3

The following are one-to-one functions, EXCEPT:

Accepted Answer

f(x) = 3

Answer

f(x) = x – 3

Answer

f(x) = x + 1

Answer

f(x) = 2x

Question 4

In a basketball team, a player corresponds to his jersey number. This situation illustrates ______________.

Accepted Answer

One-to-one function

Answer

Not one-to-one function

Answer

Exponential Function

Answer

Power function

Question 5

The following statements represent a one-to-one function, EXCEPT:

Accepted Answer

Students to their current ages

Answer

Pag-Ibig ID number to its member

Answer

A car to its key

Answer

Country to its capital

Question 6

What is the inverse function of p(x) = x^3 – 2?

Accepted Answer

p^-1(x) = ∛(x + 2)

Answer

p^-1(x) = 2/(x – 2)

Answer

p^-1(x) = ∛(x – 2)

Answer

p^-1(x) = x^(3/2)

Question 7

Find the inverse function of f(x) = √(x + 2).

Accepted Answer

f^-1(x) = x^2 – 2

Answer

f^-1(x) = 2x – 1

Answer

f^-1(x) = x^2 + 2

Answer

f^-1(x) = x – 2

Question 8

Which of the following is true on the properties of f and its inverse function?

Accepted Answer

The domain of f^-1 is the range of f

Answer

The range of f^-1 is f

Answer

(f o f^-1)(x) ≠ (f^-1 o f)(x)

Answer

The domain of f^-1 is the range of g

Question 9

Find the inverse of the function f(x) = x – 5.

Accepted Answer

f^-1(x) = x + 5

Answer

f^-1(x) = -x – 5

Answer

f^-1(x) = x – 5

Answer

f^-1(x) = x/5

Question 10

Evaluate g^-1(2) from g^-1(x) = x + 2.

Accepted Answer

4

Answer

2

Answer

3

Answer

1

Question 11

Which of the following table of values represent f(x) = 2x + 1 if the values of x are -2, -1, 0, 1, 2?

Accepted Answer

{(-2, -3), (-1, -1), (0, 1), (1, 3), (2, 5)}

Answer

{(-2, -2), (-1, -1), (0, 0), (1, 1), (2, 2)}

Answer

{(-2, 0), (-1, 1), (0, 3), (1, 5), (2, 7)}

Answer

{(-2, -4), (-1, -2), (0, 0), (1, 2), (2, 4)}

Question 12

Which of the following graphs represents the function f(x) = 2x + 1 and its inverse?

Accepted Answer

A line with slope 2 and its reflection across y = x

Answer

A parabola opening upwards and its reflection

Answer

A circle and its reflection across y = x

Answer

A horizontal line and a vertical line

Question 13

Determine the domain of g^-1(x) if g(x) = {(-2, 0), (-1, 1), (0, 3), (1, 5), (2, 7)}.

Accepted Answer

{0, 1, 3, 5, 7}

Answer

{-2, -1, 0, 1, 2}

Answer

{1, 2, 5, 7}

Answer

{-1, 0, 3, 5}

Question 14

What is the range of g^-1(x) for g(x) = {(-2, 0), (-1, 1), (0, 3), (1, 5), (2, 7)}?

Accepted Answer

{-2, -1, 0, 1, 2}

Answer

{1, 2, 5, 7}

Answer

{0, 1, 3, 5, 7}

Answer

{-1, 0, 3, 5}

Question 15

If g(x) = 7 when x = 2, what is g^-1(7)?

Accepted Answer

2

Answer

0

Answer

-1

Answer

1

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