CCSS.Math.Content.8.F.A.1

If the blue is f(x)=x^2, then the red must be

• g(x)=x²-5
• g(x)=x²+5
• g(x)=(x-5)²
• g(x)=(x+5)²

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CCSS.Math.Content.8.F.A.1

For the function f(x) = -3(x-1) find f(0).

• 0
• -3
• 3
• -1

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CCSS.Math.Content.8.F.A.1

Which mapping represents the relation {(-2, 4), (4, 2), (2, 4), -4, 2)}?

• A
• B
• C
• D

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CCSS.Math.Content.8.F.A.1

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

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CCSS.Math.Content.8.F.A.1

Given the recursive formula, find the first four terms:
a_n = a_n-1 + 5
a₁ = -16

• -16, -21, -26, -31
• 5, -11, -27, -43
• -16, -80, -500, -200
• -16, -11, -6, -1

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CCSS.Math.Content.8.F.A.1

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• D: {1, -3, -4,}
  R: {0, 1, 2, -4}
• D: {-4, 0, 1, 2}
  R:{-4, -3, 1}
• D: {0, 1, 2, 3, 4}
  R:{1, -3, -4}
• D: {0, 1, 2, -4}
  R: {1, -3, -4, 1}

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CCSS.Math.Content.8.F.A.1

What does 'b" represent in y=mx=b

• y-intercept
• macaroni
• nothing
• slope

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CCSS.Math.Content.8.F.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.8.F.A.1

What is the range?

• {-3, -1, 2, 4}
• {0, 4, 7} 
• {0, 4, 4, 7}
• {7, 4, 0}

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CCSS.Math.Content.8.F.A.1

If the blue function is f(x)=x², then the red function must be

• g(x)=x²-5
• g(x)=x²+5
• g(x)=(x-5)²
• g(x)=(x+5)²

Tags

CCSS.Math.Content.8.F.A.1