DOK 1 Practice

Build fluency with function notation, domain, range, and basic key features.

These questions keep the moves direct so students can recognize functions, evaluate notation, and identify features from simple representations.

How to use this set

Ask: What is the input? What is the output? Does each input have exactly one output?

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Set Focus

Foundational function skills

DOK 1 questions reward accurate vocabulary and careful substitution.

Function rule

Decide whether each input has exactly one output.

Notation

Evaluate expressions such as f(4) by substituting.

Domain and range

Identify input and output sets from tables and graphs.

Key features

Recognize intercepts, vertices, and initial values.

Practice Questions

Function Connections Foundations

Check your answer first, then reveal the explanation when you want the model.

Question 1

Function definition

Which statement best describes a function?

Question 2

Function notation

If f(x)=2x+7, what is f(4)?

Question 3

Domain

What is the domain of the function shown in the table?

Function values

x	g(x)
-2	5
0	1
3	7
4	9

Question 4

Range

What is the range of the function shown in the table?

Function values

x	h(x)
-1	6
0	4
1	6
2	10

Question 5

Graph as a function

The graph has points (-2,1), (0,3), (2,5), and (4,7). Why does it represent a function?

Four ordered pairs

Question 6

Not a function

Which set of ordered pairs does not represent a function?

Question 7

Intercepts

For y=3x-6, what is the y-intercept?

Question 8

Quadratic feature

The function q(x)=(x-2)^2+5 is written in vertex form. What is its vertex?

Question 9

Exponential feature

For p(x)=6(1.2)^x, what is the initial value?

Question 10

Function family

Which function is linear?

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