Algebra 1 Unit 2 Review: Intro to Functions

A part of a linear function is shown on the grid. What is the range of the part of the linear function shown?

Choose the correct answer from each drop-down menu to complete the sentence.

The range is the set of all real numbers ​ (a)   and ​ (b)  

• greater than or equal to -4
• less than 3
• greater than or equal to -2
• greater than -4
• greater than -2
• less than or equal to 2
• less than or equal to 3
• less than 2

The domain and range of part of a linear function r are given.

x > 5

y < 2

Which graph could represent this part of linear function r?

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A function is shown.

g(x) = 6(2x + 7)

What is the value of g(20)?

Mathematical Equivalence

OFF

What is the range of the function for this situation?

Select TWO correct answers.

Domain

​ (a)  

Range

​ (b)  

• The domain of the function is {0,1,2,3,4,5}
• The range of the function {0,96,192,288,384,480}
• The domain of the function is all real numbers
• The domain of the function {0,96,192,288,384,480}
• The range of the function {0,1,2,3,4,5}
• The range of the function is all real numbers.

Which of the relations shown represent y as a function of x?

Groups:

(a) Function

,

(b) Not a Function

• y = 3.4x

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• 

Which graph represents y as a function of x?

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• 
• 
• 

Domain?

• {0,2,4,6,8,10}

• {0,1,2,3,4,5,6,7,8}

• {0,18,36,54,72,90}

• {0,9,18,27,36,45,54,63,72}

A function is shown.

f(x) = 7 - 4x

What is the value of f(-5)?

Mathematical Equivalence

ON

Range?

• {96,84,72,60,48,36,24}

• {8,9,10,11,12,13,14}

• {96,88,80,72,64,56,48}

• {0,1,2,3,4,5,6}