12.11.24 PAP A2 Review Unit 1 Learning Checkpoint 2

Front

What is an absolute value function?

Back

An absolute value function is a function that outputs the non-negative value of its input. It is defined as f(x) = |x|, where |x| is the absolute value of x.

Tags

CCSS.HSF-IF.C.7D

Front

How does the graph of an absolute value function look?

Back

The graph of an absolute value function is V-shaped, with a vertex at the point where the input is zero. It opens upwards.

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CCSS.HSF-IF.C.7D

Front

What is the vertex of the function f(x) = |x - 4| + 3?

Back

The vertex of the function f(x) = |x - 4| + 3 is at the point (4, 3).

Tags

CCSS.HSF-IF.C.7D

Front

How do you determine the average rate of change of a function over an interval?

Back

The average rate of change of a function f over the interval [a, b] is calculated using the formula: (f(b) - f(a)) / (b - a).

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CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Front

What is the average rate of change of the function f(x) over the interval [5, 7] if f(5) = 1 and f(7) = -4?

Back

The average rate of change is (-4 - 1) / (7 - 5) = -5 / 2 = -2.5.

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CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Front

What is a piecewise function?

Back

A piecewise function is a function that is defined by different expressions based on the input value. Each piece applies to a specific interval.

Front

How do you find the cost of renting a machine for multiple days?

Back

To find the total cost of renting a machine for multiple days, multiply the daily rental cost by the number of days rented.

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

If a Karaoke machine costs $50 per day, how much does it cost to rent for 3 days?

Back

The total cost to rent the Karaoke machine for 3 days is $50 * 3 = $150.

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CCSS.3.OA.A.3

Front

What is the cost of postage for a letter weighing 2.1 ounces?

Back

The cost of postage for a letter weighing 2.1 ounces is 43 cents.

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CCSS.6.RP.A.3B

Front

What is the formula for calculating the cost of postage based on weight?

Back

The cost of postage typically increases with weight, and can be calculated using a pricing table provided by postal services.

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CCSS.8.EE.B.5