Functions Domain Range Equations

Solve:
7x + 19 = -2x + 55

• 4

• 14.8

• 8.2

• -4

• x > 2
• x > 5
• x >15
• x > 50

Tags

CCSS.7.EE.B.4B

Is the following a function?

• NO

• YES

Tags

CCSS.8.F.A.1

The range of the graph is _____.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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.

A student borrowed $480 from a friend. He agreed to make monthly payments of $96 with no interest until the loan balance was paid off. The function shown models this situation, where f(x) represents the remaining loan balance in dollars after the student has made x monthly payments. Which statements are true about the domain and range of the function for this situation? Select the correct answers.

• D: {0, 1, 2, 3, 4, 5}

• R: {0, 96, 192, 288, 384, 480}

• D: all real numbers

• R: {0, 1, 2, 3, 4, 5}

• {0, 96, 192, 288, 384, 480}

• D: {0, 96, 192, 288, 384, 480}

• R: all real numbers

Answer explanation

Domain - x values

Range - y values

Real-world examples = apply common sense and judgements

What is the domain?

• [-2, 3]

• [-2, 3)

• (-2, 3]

• [-3, 4]

• (-3, 4]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Solve for x: (a)   .

• Add k

• Subtract k

• Multiply by k

• Divide by k

Tags

CCSS.HSA.CED.A.4

Given the function g(x)=2x and the domain {0, 2, 4}, what is the range?

• {0, 1, 2}

• {0, 4, 8}

• {2, 4, 8}

• {1, 2, 3}

The set of all x-values used to graph a function are called the ____.

• Domain

• Range

• Relation

• Function

Tags

CCSS.HSF.IF.A.1