Question 1

The set of ordered pairs below represents some points on the graph of function f.

{(3, 11), (−1, 3), (5, 15), (−4, −3), (−7, −9)}

What is the parent function of f ?

Accepted Answer

y = x

Answer

y = 2$^x$

Answer

y = $\sqrt{ x}$

Answer

y = x$^2$

Question 2

Which statement about the quadratic parent function is true?

Accepted Answer

Its graph is symmetrical about the y-axis.

Answer

Its domain is the set of all non-negative numbers.

Answer

Its range is the set of all real numbers.

Answer

Its graph is symmetrical about the x-axis.

Question 3

Function k has a parent function. The table shows some ordered pairs that belong to k. Which graph shows the parent function of k?

Accepted Answer

https://uploads.quizalize.com/a4a293dd-1aa6-4ac2-8e25-3772761571e6/question/361586964d9fa58870cd3dba1f57da8287a976d4.PNG

Answer

https://uploads.quizalize.com/a4a293dd-1aa6-4ac2-8e25-3772761571e6/question/9ec7799dcc4e7c8d7b80be5caf7a19d6615640b5.PNG

Answer

https://uploads.quizalize.com/a4a293dd-1aa6-4ac2-8e25-3772761571e6/question/6d9fafbbf6edd6a9db3ce35d85591392794aad6e.PNG

Answer

https://uploads.quizalize.com/a4a293dd-1aa6-4ac2-8e25-3772761571e6/question/0eef961ef096ca8c045449b8689c834708b60bfe.PNG

Question 4

The total cost in dollars to buy uniforms for the players on a volleyball team can be found using the function:

c= 34.95u + 6.25, where u is the number of uniforms bought.

If there are at least 8 players but not more than 12 players on the volleyball team, what is the domain of the function for this situation?

Accepted Answer

{8, 9, 10, 11, 12}

Answer

0 < c  ≤ 425.65

Answer

0 < u ≤ 12

Answer

{285.85, 320.80, 355.75, 390.70, 425.65}

Question 5

A student rode a bike from school to a recreation center. The graph shows the student’s distance in miles from the recreation center after riding the bike for x minutes. What is the range of the function for this situation?

Accepted Answer

All real numbers greater than or equal to 0 and less than or equal to 9.

Answer

All real numbers greater than or equal to 0 and less than or equal to 28.

Answer

All real numbers less than or equal to 28.

Answer

All real numbers less than or equal to 9.

Question 6

A set of weights includes a 4 lb barbell and 6 pairs of weight plates. Each pair of plates weighs 20 lb. If x pairs of plates are added to the barbell, the total weight of the barbell and plates in pounds can be represented by f(x) = 20x + 4. What is the range of the function for this situation?

Accepted Answer

{4, 24, 44, 64, 84, 104, 124}

Answer

{0, 1, 2, 3, 4, 5, 6}

Answer

{0, 2, 4, 6}

Answer

{4, 44, 84, 124}

Question 7

The graph of part of linear function g is shown on the grid. Which inequality best represents the domain of the part shown?

Accepted Answer

-9 < x ≤ 2

Answer

-9 ≤ x < 2

Answer

-6 ≤ g(x) < 3

Answer

-6 < g(x) ≤ 3

Question 8

What are the domain and range of $f (x)=-37$?

Accepted Answer

Domain: All real numbers
Range: {−37}

Answer

Domain: All real numbers
Range: All real numbers greater than or equal to −37

Answer

Domain: {−37}
Range: All real numbers

Answer

Domain: All real numbers greater than or equal to −37
Range: All real numbers

Question 9

The daily cost of hiring a plumber, $y$, to work $x$ hours on a repair project can be modeled using a linear function. The plumber charges a fixed cost of $$\$80$$ plus an additional cost of $$\$45.00$$ per hour. The plumber works a maximum of 8 hours per day. For one day of work, what is the range of the function for this situation?

Accepted Answer

$80 \le y \le 440$

Answer

$45 \le y \le 685$

Answer

$0 \le x \le 10$

Answer

$0 \le x \le 8$

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