CCSS.Math.Content.HSF.IF.A.1

Evaluate f(-2) if f(x) = x²+ 3.

• -1
• 1
• 7
• -7

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CCSS.Math.Content.HSF.IF.A.1

Determine the Range of the function

• All Reals
• y > 2
• x > 3
• y < 2

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CCSS.Math.Content.HSF.IF.A.1

What is the domain of this function?
(2, 4), (5, 5), (8, 6), (11, 7)

• {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
• (2, 5, 8, 11}
• {4, 5, 6, 7}
• {2, 4, 5, 8, 6, 11, 7}

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CCSS.Math.Content.HSF.IF.A.1

What type of function is shown?

• cube root
• square root
• logarithm
• exponential

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CCSS.Math.Content.HSF.IF.A.1

Is this graph a function or not a function? 

• Function 
• Not a Function

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CCSS.Math.Content.HSF.IF.A.1

Bob has $150 in his savings account and saves $40 per month. Which function models his savings?

• y = 150 + 40

• y = 40x + 150

• y = 150x + 40

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CCSS.Math.Content.HSF.IF.A.1

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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CCSS.Math.Content.HSF.IF.A.1

Which expression represents g(f(x)) if          f(x) = 2x - 8
and
g(x) = 4x

• 8x - 32
• 8x² - 32x
• 8x - 8
• 6x - 8

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CCSS.Math.Content.HSF.IF.A.1

Is this table a function and how can you tell?

• Yes its a function because there are not variables for missing numbers

• No it's not a function because the y value 4 repeated

• No it isn't a function because the x value 2 is repeated

• No it's not a function because the x value 5 has 2 outputs.

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CCSS.Math.Content.HSF.IF.A.1

If  $f\left(x\right)=\frac{1}{x}$   and  $g\left(x\right)=3x+2$   find  $\left(f\circ g\right)\left(2\right)$  

•  $\frac{1}{4}$  

•  $\frac{1}{8}$  

•  $\frac{7}{2}$  

• 8

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CCSS.Math.Content.HSF.IF.A.1