Unit 1 Function Test Review

Madelyn is making a graph to illustrate the number of teddy bears which can be purchased for $15 each.  Which of the following represent(s) the domain of the scenario?

• {x| x ≥ 0} because the situation is continuous

• {0, 1, 2, 3, …} because the situation is discrete

•   {x| x ≥ 0} because the situation is discrete

• {0, 1, 2, 3, …} because the situation is continuous

Which of the following statements is NOT true?

• The domain is -5 < x < 2

• The range is -3<y<3

• The function is increasing on the interval -3<x<3

• The function is decreasing on the interval -5<x<2

$f\left(x\right)=5x-12$ What is $f\left(-4\right)$

• -32

• -3

• -12

• 3

Tags

CCSS.HSF.IF.A.2

If I know that f(2) = 4, what is another way I can write my answer?

• 2,4

• (2, 4)

• That is the only way to write it.

• (4,2)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

• 5

• 8

• 2

• 10

Which relation is NOT a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}
• {(2,7), (3,7), (4,7), (5,8)}
• {(1,-5), (-1,6), (1,5), (6,-3)}
• {(3,-2), (5,-6), (7,7), (8,8)}

Tags

CCSS.8.F.A.1

Is this mapping a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

• {-2, 3, 7}

• [-2, 7]

• {1, 2, 3, 4}

• [1, 4]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Does the graph represent a function?

• Yes

• No

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

What is the function family?

• Absolute Value Function

• Quadratic Function

• Linear Function

• Exponential Function

Tags

CCSS.HSA.CED.A.1

CCSS.HSF.LE.A.2

CCSS.HSF.LE.A.1