TEKS.MATH.9-12.VII.B.1

What is the period of the graph? 

• 2Pi
• Pi
• Pi/2
• Pi/4 

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TEKS.MATH.9-12.VII.B.1

What type of function is f(x)=2(1/7)^x ?

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

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

TEKS.MATH.9-12.VII.B.1

If (a,b) is a local maximum, then what will be true about f''(a)?

• It's positive
• It's negative
• It's zero
• Cannot be determined

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TEKS.MATH.9-12.VII.B.1

How many "key points" should be included in every cycle/period of a sine or cosine graph?

• As many as I want
• It depends on the graph
• 4
• 5

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TEKS.MATH.9-12.VII.B.1

What is the range of the function?

• y≤3
• y≥3
• All real numbers
• -6≤y≤3

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TEKS.MATH.9-12.VII.B.1

What is the slope a horizontal line?

• -1
• undefined
• 1
• 0

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TEKS.MATH.9-12.VII.B.1

To re-scale the x-axis with new intervals... 

• Take 2π/B
• Take the B value from the equation
• Take Period divide it by 4
• The scale doesn't really matter

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TEKS.MATH.9-12.VII.B.1

Is this point (the vertex) a max or min?

• max
• min

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TEKS.MATH.9-12.VII.B.1

For each function, determine the real zeros and state the multiplicity of any repeated zeros.

• {0 mult. 3, 5, 2}

• {−2 mult. 3, 3, 1}

• {0 mult. 3, 3, 2}

• {2 mult. 3, 3, 3}

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TEKS.MATH.9-12.VII.B.1

The expression 12(1.015)^t models the population of elephants in a wildlife refuge after t years since 1975.
Is the population of elephants increasing or decreasing?

• Increasing
• Decreasing

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TEKS.MATH.9-12.VII.B.1