CCSS.Math.Content.HSF.IF.B.4

A bug begins to crawl up a vertical wire at time t = 0.  The velocity v of the bug at time t, 0 < t < 8, is given by the function whose graph is shown behind this text. At what value of t does the bug change direction? 

• 2
• 4
• 6.5
• 7

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CCSS.Math.Content.HSF.IF.B.4

What is the range of this graph?

• y = 6
• (0, -4)
• y > -6
• y < -6

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CCSS.Math.Content.HSF.IF.B.4

Linear, exponential, or neither?

• Linear
• Exponential
• Neither
• All of the above

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CCSS.Math.Content.HSF.IF.B.4

What is the range of the function shown below?

• 0 < y < 12
• -2 < y < 5
• y > 0
• All Real Numbers 

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CCSS.Math.Content.HSF.IF.B.4

v(t)>0 means

• the particle is moving to the right
• the particle is moving to the left
• the particle has positive position
• the particle is at rest

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CCSS.Math.Content.HSF.IF.B.4

What is the range of the function?

• [-1, +∞)
• (-1,1)
• [1.5, +∞)
• (-2, 2)

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CCSS.Math.Content.HSF.IF.B.4

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

• y-intercept
• rise
• x-intercept
• slope

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CCSS.Math.Content.HSF.IF.B.4

Which one means the function goes up on the left

• x →-∞, y→∞
• x →-∞, y→-∞

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CCSS.Math.Content.HSF.IF.B.4

Which one means up

• y →-∞
• y →∞

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CCSS.Math.Content.HSF.IF.B.4

What is the speed of the position function f(x)=-3x²-6x-6 at x=2

• -18

• 18

• -6

• 6

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CCSS.Math.Content.HSF.IF.B.4