Introduction to Linear Functions Answers

Which functions have an additive rate of change of 3? Select two options.

The final cost of a sale item is determined by multiplying the price on the tag by 75%. Which best describes the function that represents the situation?

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Megan and Suzanne each have a plant. They track the growth of their plants for four weeks. Whose plant grew at a faster rate, and what was the rate?

The table shows the number of songs that were downloaded and the total cost for buying the songs.

A data set contains an independent and a dependent variable. Which must be true of the data set if a linear function can be used to represent the data?

Roger and Rita each drive at a constant speed between Phoenix and San Diego. Each driver’s distance (miles) is shown for the same elapsed time (hours) of the trip. Who had a head start, and how many miles was the head start?

Which table represents a linear function?

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The table shows the distance traveled over time while traveling at a constant speed.