Assessment 8

Use the quadratic model to make predictions around speed and fuel economy. According to this model, what is the approximate speed a car should go to obtain maximum fuel economy?

• 66 miles per hour

• 55 miles per hour

• 25 miles per hour

• 42 miles per hour

What is the domain of the function?

• y ≥ 0

• x ≥ -2

• x ≤ -2

• y ≥ 2

What is the range of the function?

• y ≤ 0

• x ≥ 2

• y ≥ 0

• x ≤ 2

Simplify:

• 2
• 8
• 16
• 32

Tags

CCSS.HSN.RN.A.2

Where is the first mistake?

• Step 1

• Step 2

• Step 3

• There is no mistake

What is the End behavior on the left side

• x →-∞, y→∞
• x →∞, y→-∞
• x →-∞, y→-∞
• x →∞, y→∞

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Solve for x:

(3x + 1)³ = 64

• -1

• 6

• 1

• No real solution

Which of these equations shifts a radical equation right 5 times and down once?

• y = √(x - 5) - 1
• y = √(x + 5) - 1
• y = √(x - 5) + 1
• y = √(x + 5) + 1

Tags

CCSS.HSF-IF.C.7B

What are the transformations of this functions compared to the parent function?

• Shifted right 5, shifted down 2, and reflected over the x-axis
• Reflected over the x-axis, vertical stretch, and shifted right 5
• Reflected over the x-axis, vertical stretch, and shifted left 5
• Shifted right 5, shifted down 2

Tags

CCSS.HSF.BF.B.3

Divide the polynomials

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• 
• 
•