TEKS.MATH.9-12.VII.A

Identify the y-intercept (initial value) of the function f(x)=2(4)^x.

• 2
• 4
• (2)^x
• 8

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TEKS.MATH.9-12.VII.A

Standard form of a quadratic equation

• y=x²
• y=ax²+bx+c
• y=mx+b
• y=x

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TEKS.MATH.9-12.VII.A

Pick the equation that is exponential growth

• y=2(0.5)^x
• y = 0.5(2)^x
• y = .5x - 2
• y = 2x + .5 

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TEKS.MATH.9-12.VII.A

y-intercept

• 1

• -1/2

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TEKS.MATH.9-12.VII.A

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

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TEKS.MATH.9-12.VII.A

Which equation represents this graph.

• f(x)=∣3x∣
• f(x)=2∣x∣-3
• f(x)=∣x∣
• f(x)=3∣x∣-2

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TEKS.MATH.9-12.VII.A

Which is the inverse of the table?

• 
• 
• 
• 

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TEKS.MATH.9-12.VII.A

Find the domain of the function. Select all answers that apply. f(x) = x³ / x² - 4

• x cannot equal to - 2

• x cannot equal to -1

• x cannot equal to 2

• x cannot equal to 1

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TEKS.MATH.9-12.VII.A

Choose the correct equation for the graph.

•  $y=\left|x+2\right|$

• $y=\left|x-2\right|$

• $y=\left|x\right|+2$

• $y=\left|x\right|-2$

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TEKS.MATH.9-12.VII.A

What is the equation of the graph?

• y = 2 cos x

• y = sin x

• y = 2 sin x

• y = sin 2x

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TEKS.MATH.9-12.VII.A