3.1 - 3.3 Quiz Review_Alg1

3.1 - 3.3 Quiz Review

Relation vs Function

Domain and Range

Independent and Dependent Variables​​

Linear vs Nonlinear

Function Notation

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3.1 - Functions​

Relation vs Function

Domain and Range

Independent and Dependent Variables​

Multiple Choice

Which of the relations below is a function?

• {(2, 3), (3, 4), (5, 1), (2, 4)}

• {(2, 3), (3, 4), (6, 2), (7, 3)}

• {(2, 3), ( 3, 4), (6, 2), (3, 3)}

Multiple Choice

The graph of a relation is shown at the right. Is this relation a function?

• Yes

• No

• Cannot be determined from a graph

Multiple Choice

Is the relation depicted in the table below a function?

• Yes

• No

• Cannot be determined from a table

Multiple Choice

The graph of a relation is shown below. Is the relation a function?

• Yes

• No

• Cannot be determined from a graph

Multiple Choice

The graph of a relation is shown below. Is the relation a function?

• Yes

• No

• Cannot be determined from a graph

Multiple Choice

The graph of a relation is shown below. Is the relation a function?

• Yes

• No

• Cannot be determined from a graph

Multiple Choice

Which graph represents a function?

Multiple Choice

What is the range of the relation?

• -3, -1, 2, 4

• 0, 4, 7

• 0, 4, 4, 7

• 7, 4, 0

Multiple Choice

What is the DOMAIN?

(scale goes by 1)

• 0 ≤ x < 3

• 0 < x ≤ 3

• -2 ≤ x ≤ 1

• -2 ≤ y ≤ 1

Multiple Choice

What is the RANGE?

(scale goes by 1)

• 0 ≤ x < 3

• 0 < y ≤ 3

• -2 ≤ y < 1

• -2 ≤ y ≤ 1

Multiple Choice

What is the DOMAIN?

(scale goes by 1)

• x ≤ 2

• x ≥ 2

• All Real Numbers

• -2 ≤ x ≤ 2

Multiple Choice

What is the RANGE?

(scale goes by 1)

• y ≤ 2

• y ≥ 2

• All Real Numbers

• -2 ≤ y ≤ 2

Multiple Choice

What is the Domain?

• -3, -1, 1, 3, 5, 7, 9

• -3, -2, -1, 0, 1, 2, 3

• -3 ≤ x ≤ 3

• -3 ≤ x ≤ 9

Multiple Choice

What is the domain of the relation?

• 1, 2, 3, 4, 5

• -1, 1, 2, 3

• 1, 2, 3, 5

• 1, 5

Multiple Choice

What is the domain and range of the function?

• D: 1, 2, 3

  R: 3, 2, -4

• D: 1, 1, 2, 3

  R: 3, 2, -4, 2

• D: 1 < x < 3

  R: -4 < y < 3

Multiple Choice

What is the Range?

• -3, -1, 1, 3, 5, 7, 9

• -3, -2, -1, 0, 1, 2, 3

• -3 ≤ x ≤ 3

• -3 ≤ x ≤ 9

Multiple Choice

What is the range of the relation?

• 1, 2, 3, 4, 5

• -1, 1, 2, 3

• 1, 2, 3, 5

• 1, 5

3.2 Linear Functions

Linear vs Nonlinear Functions

Discrete vs. Continuous domain​

Some text here about the topic of discussion

Multiple Choice

Is function represented by the table linear or nonlinear?

• linear
• nonlinear

Multiple Choice

Does the graph represent a linear function, a non-linear function, or is it not a function?

Then decide if it is discrete or continuous.

• Linear Function, discrete

• Non-Linear Function, discrete

• Not a Function

• Linear Function, continuous

• Non-Linear Function, continuous

Multiple Choice

Does the graph represent a linear function, a non-linear function, or is it not a function?

• Linear Function

• Non-Linear Function

• Not a Function

Multiple Choice

Does the graph represent a linear function, a non-linear function, or is it not a function?

Then decide if it is discrete or continuous.

• Linear Function, discrete

• Non-Linear Function, discrete

• Not a Function

• Linear Function, continuous

• Non-Linear, continuous

Multiple Choice

Which of the following is NOT a linear function?

• y = 4

• $$y=x^3$$

• $$y=\frac{2x}{3}$$

• y = x

Multiple Choice

Which of the following is NOT a linear function?

• y = 3x
• y = x²
• y = 5x - 9
• y = 3(x + 4)

Multiple Choice

Is function represented by the table linear or nonlinear?

Then decide if it is discrete or continuous.

• linear, discrete

• nonlinear, discrete

• linear, continuous

• nonlinear, continuous

Multiple Choice

Adam earns y dollars for washing x number of cars. For each car he washes, he earns $10.

Is the domain discrete or continuous?

• Discrete, because cars are countable

• Continuous, because dollar amounts can be an interval of values

Multiple Choice

While driving x hours to Florida, Sophia recorded her miles traveled, y.

Is the domain discrete or continuous?

• Discrete, hours are countable

• Continuous, hours are not countable and fall in an interval of values

Multiple Choice

Graph of the growth of a plant for the next 30 days. 

• Discrete
• Continuous

Multiple Choice

The time it takes for a car battery to die. 

• Discrete
• Continuous

Multiple Choice

Adam earns y dollars for washing x number of cars. For each car he washes, he earns $10.

Which is the independent variable?

• number of cars

• dollars earned

Multiple Choice

While driving x hours to Florida, Sophia recorded her miles traveled, y.

What is the dependent variable?

• hours

• miles traveled

3.3 - Function Notation

Multiple Choice

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5
• x = 5
• x = -50
• x = 30

Multiple Choice

For the function f(x) = -3(x-1) find f(0).

• 0
• -3
• 3
• -1

Multiple Choice

Evaluate f(-2) if f(x) = x+3

• -1
• 1
• 5
• -5