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Kelso Math A1 #5 IM - Algebra 1 - Lesson 4.6 and 4.7 Jan 2021

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Illustrative Math

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F.IF.2
F.IF.4
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F.IF.6
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F.IF.6
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6.

Tell me a story of the day's temp

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7.

Match each feature of the situation with a corresponding statement in function notation.

Draggable itemarrow_right_altCorresponding Item

starting height

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h(4)

height staying the same

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h(1.5)

maximum height

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h(t) 6 for 7 \leq t \leq 8

minimum height

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h(0)=7

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8.

The largest:

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13.

Yep, I need to grade this!

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21.

The height, in feet, of a squirrel running up and down a tree is a function of time, in seconds.

Here are statements describing the squirrel’s movement during four intervals of time. Match each description with a statement about the average rate of change of the function for that interval.

Draggable itemarrow_right_altCorresponding Item

The squirrel starts and ends at the same height.

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The average rate of change is large and positive.

The squirrel runs up the tree slowly.

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The average rate of change is zero.

The squirrel runs up the tree very fast.

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The average rate of change is negative.

The squirrel runs down the tree.

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The average rate of change is small and positive.

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22.
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24.

The rate of change for what you chose above.

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26.

rate of change for what you chose for 25:

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27.

Jada walks to school. The function D gives her distance from school, in meters, t minutes since she left home.

Which equation tells us “Jada is 600 meters from school after 5 minutes”?

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9.

Which is the largest?

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10.

Which is the largest?

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25.

Now for a positive rate of change...