TEKS.MATH.9-12.VII.A.2

What type of function is y = 7(5/4)^x?

• Exponential Growth
• Exponential Decay
• Linear
• None of the above

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TEKS.MATH.9-12.VII.A.2

What kind of equation is this?
xy=8

• Linear Equation
• Direct Variation
• Inverse Variation
• Joint Variation

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TEKS.MATH.9-12.VII.A.2

TEKS.MATH.8.5E

What values of b make an exponential decay function?

• b > 0
• b < 1
• b > 1
• 0 < b < 1

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TEKS.MATH.9-12.VII.A.2

Which of the following is NOT a linear function?

• y = 3x
• y = x²
• y = 5x - 9
• y = 3(x + 4)

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TEKS.MATH.9-12.VII.A.2

The end behavior of a polynomial function is determined by the degree and the sign of the leading coefficient.
Identify the degree of the polynomial and the sign of the leading coefficient 

• Leading Coefficient Positive
  Degree - Even
• Leading Coefficient Positive
  Degree - Odd
• Leading Coefficient Negative
  Degree - Even
• Leading Coefficient Negative
  Degree - Odd

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TEKS.MATH.9-12.VII.A.2

Does the equation open up or down? 
Y = -3x² +7x - 2

• up
• down
• Neither; it opens to the right.
• Neither; it opens to the left.

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TEKS.MATH.9-12.VII.A.2

What range of angles can you get from inverse cosine?

• 0 to π
• 0 to 2π
• -π/2 to π/2
• π/2 to 3 π/2

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TEKS.MATH.9-12.VII.A.2

Linear Function

• A function that graph a curved line.
• A function in which x and y have the same value.
• A function that requires a table.
• A function that graphs a line.

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TEKS.MATH.9-12.VII.A.2

What type of function is f(x) = 2^x ? 

• exponential growth 
• linear equation
• exponential decay 
• linear inequality 

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TEKS.MATH.9-12.VII.A.2

A quadratic is _________ about the vertex.

• started
• concave down
• concave up
• symmetric

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TEKS.MATH.9-12.VII.A.2