STAAR Warm Up - A1.2A, 6A, 9A

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)   .

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

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Tags

CCSS.HSA.CED.A.3

CCSS.HSA.REI.D.12

A florist is making bouquets of flowers for a wedding. Each bouquet will have 9 flowers. The graph shows the linear relationship between y, the number of flowers used, and x, the number of bouquets. The florist will use no more than 8 bouquets for the wedding. Which set best represents the domain of the function for this situation?

• F {0, 2, 4, 6, 8, 10}

• G {0, 1, 2, 3, 4, 5, 6, 7, 8}

• H {0, 18, 36, 54, 72, 90}

• J {0, 9, 18, 27, 36, 45, 54, 63, 72}

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

CCSS.HSA.REI.D.10

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

A coach has 96 golf balls for the school's golf team. The coach will give each player on the team 8 golf balls. The graph shows the linear relationship between y, the number of golf balls remaining for the team, and x, the number of players on the team. The coach will use no more than 6 players on the school's golf team. Which set best represents the range of the function for this situation?

• {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}

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

A part of linear function g is graphed on the grid. Which inequalities best describe the domain and range of the part shown?

• Domain: -4 < x < 5, Range: -7 < g(x) < 6

• Domain: -7 < x < 6, Range: -4 < g(x) < 5

• Domain: -4 ≤ x ≤ 5, Range: -7 ≤ g(x) ≤ 6

• Domain: -7 ≤ x ≤ 6, Range: -4 ≤ g(x) ≤ 5

Tags

CCSS.HSA.CED.A.3

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

Which graph best represents a function with a domain of all real numbers less than or equal to 6?

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Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

A student worked out at a gym continuously for 50 minutes. The graph shows the remaining percentage of the workout as a linear function of x, the time in minutes. Which answer choice best describes the domain and range of the function for this situation?

• Domain: All real numbers greater than or equal to 0 and less than or equal to 100 Range: All real numbers greater than or equal to 0 and less than or equal to 50

• Domain: {-2} Range: {100}

• Domain: All real numbers greater than or equal to 0 and less than or equal to 50 Range: All real numbers greater than or equal to 0 and less than or equal to 100

• Domain: {100} Range: {-2}

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

• Domain: All real numbers greater than or equal to -37, Range: All real numbers

• Domain: {-37}, Range: All real numbers

• Domain: All real numbers, Range: All real numbers greater than or equal to -37

• Domain: All real numbers, Range: {-37}

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.5

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 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?

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.2

• {0, 1, 2, 3, 4, 5, 6}

• {4, 24, 44, 64, 84, 104, 124}

• {0, 2, 4, 6}

• {4, 44, 84, 124}

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.4