Questions: Identify the graphs that have the property that the instantaneous velocity at time t=6 is less than or equal to the average velocity over [0,6]. Select ALL graphs that have the stated property. Graph A Graph C Graph B Graph D

Identify the graphs that have the property that the instantaneous velocity at time t=6 is less than or equal to the average velocity over [0,6].

Select ALL graphs that have the stated property.
Graph A

Graph C

Graph B
Graph D
Transcript text: Identify the graphs that have the property that the instantaneous velocity at time $t=6$ is less than or equal to the average velocity over $[0,6]$. Select ALL graphs that have the stated property. $\square$ Graph A Graph C Graph B Graph D
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Solution

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Solution Steps

Step 1: Analyze Graph A

The instantaneous velocity at _t_ = 6 is the slope of the tangent line to the curve at _t_ = 6. In graph A, the tangent line at _t_ = 6 has a small negative slope. The average velocity over [0, 6] is the slope of the secant line connecting the points at _t_ = 0 and _t_ = 6. This slope is clearly positive. Therefore, the instantaneous velocity at _t_ = 6 is less than the average velocity over [0, 6].

Step 2: Analyze Graph B

The graph is a straight line, which means the instantaneous velocity at any point is equal to the average velocity over any interval. So, the instantaneous velocity at _t_ = 6 is equal to the average velocity over [0, 6].

Step 3: Analyze Graph C

The instantaneous velocity at _t_ = 6 is positive and quite large (steep slope). The average velocity on [0, 6] is also positive, but significantly smaller. Hence, the instantaneous velocity at _t_ = 6 is greater than the average velocity.

Step 4: Analyze Graph D

The instantaneous velocity at _t_ = 6 is positive and large. The average velocity over the interval [0,6] is also positive. It appears that the instantaneous velocity at t=6 is greater than the average velocity over the interval [0,6].

Final Answer: The graphs that satisfy the condition are A and B.

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