TEKS.MATH.8.5G

Is this graph a function or not a function? 

• Function 
• Not a Function 

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TEKS.MATH.8.5G

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

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TEKS.MATH.8.5G

Which of these is NOT the same

• Range
• Input
• Dependent Value
• Y-Value

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TEKS.MATH.8.5G

Which piecewise function corresponds to this graph? (Take your time)

• f(x) = { x  if x < 4;   -x+1  if x ≥ 4
• f(x) = { x  if x ≤ 4;  -x+1  if x > 4
• f(x) = { -x+1  if x < 4;  x  if x ≥ 4
• f(x) = { -x+1  if x ≤ 4;  x if x > 4

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TEKS.MATH.8.5G

The graph of an exponential function is shown on the grid.

Based on the graph, which statement about the function is true?

• The range is the set of all real numbers less than 0.

• The domain is the set of all real numbers greater than -4.

• The range is the set of all real numbers greater than 0.

• The domain is the set of all real numbers less than -4.

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TEKS.MATH.8.5G

What is the minimum value of the function graphed above?

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TEKS.MATH.8.5G

The coordinates of four points on the graph of a quadratic equation are given in the table below. What is the graph of the equation?

• 
• 
• 
• 

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TEKS.MATH.8.5G

What is the vertex of the parabola represented by the given table?

• (-2, 0)

• (-1, 2)

• (-3, -6)

• (0,0)

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TEKS.MATH.8.5G

Function p is in the form y = ax² + c. If the values of a and c are both less than 0, which graph could represent p?

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• 
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TEKS.MATH.8.5G

Quadratic functions q and w are graphed on the same coordinate grid. The vertex of the graph of q is 18 units below the vertex of the graph of w. Which pair of functions could have been used to create the graphs of q and w?

• A.) q(x) = 18x² and w(x) = x²

• B.) q(x) = x² + 18 and w(x) = x²

• C.) q(x) = -18x² and w(x) = x²

• D.) x² - 18 and w(x) = x²

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TEKS.MATH.8.5G