TEKS.MATH.9-12.VII.A

Which of the following represents direct variation?

• y = kx
• y = k/x
• y = x/k
• y = mx + b

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TEKS.MATH.9-12.VII.A

Which equation below is a quadratic function translated up 5 units?

• y = x² + 5
• y = (x + 5)²
• y = 5x²
• y = -x² - 5

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TEKS.MATH.9-12.VII.A

Which equation is a quadratic function reflected over the x-axis and shifted up 2.

• y = x² + 2
• y = -x² + 2
• y = x² - 2
• y = -(x + 2)²

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TEKS.MATH.9-12.VII.A

On the graph, which portion of the piecewise function is represented in red?

• x
• 0.5x + 2.5       
• -1
• 0.5x + 2

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TEKS.MATH.9-12.VII.A

At which x-value is f continuous but not differentiable?

• a
• b
• c
• d

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TEKS.MATH.9-12.VII.A

Evaluate f(33)

• 33
• 11
• 10
• 8

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TEKS.MATH.9-12.VII.A

IS THIS GRAPH DISCRETE AND CONTINUOUS? 

• CONTINUOUS
• DISCRETE

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TEKS.MATH.9-12.VII.A

The function f(x)=0.49x models the cost to purchase x pounds of apples from the grocery store.  What is the most appropriate domain for the function?

• All integers
• All rational numbers
• All non-negative integers
• All non-negative rational numbers

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TEKS.MATH.9-12.VII.A

A new savings account is opened with $400 and gains 3% every year. What is the exponential function?

• f(x)=400(1+3)^x
• f(x)=400(1-0.03)^x
• f(x)=400(1+0.03)^x
• f(x)=400(0.03)^x

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TEKS.MATH.9-12.II.A

TEKS.MATH.9-12.VII.A

Which of these represents slope-intercept form of a linear equation?

• y - y₁ = m(x-x₁)
• Ax + By = C
• y = mx + b

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TEKS.MATH.9-12.II.D.1

TEKS.MATH.9-12.VII.A