Rate of Change / Initial Value Word Problems | Baamboozle - Baamboozle

The temperature in a water tank was decreasing each hour, on the graph below. How much did the temperature decrease per hour?

decreased 2 degrees per hour

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A phone company has a one-time set up fee of $30 and charges $85 per month. What is the rate of change?

$85 per month

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I got a fence installed at my house. The company charged me a consultation fee then a cost per foot of fence. Based on the graph, what was my consultation fee?

$150

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thief

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star

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rocket

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lifesaver

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An amusement park charges a one-time entrance fee and a cost per hour. What is the cost per hour from this graph?

$5 per hour

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baam

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magnet

Take 25 points!

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fairy

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banana

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How much did the gift card start with?

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Suppose that the water level of a river is 34 feet and that it is receding at a rate of 0.5 foot per day. Find the initial value for the receding river.

34 feet

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Netflix has started to charge a one-time fee of $10 and charges $2 per movie. What is the initial value?

$10 one-time fee

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thief

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seesaw

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gift

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baam

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A phone company charges a base fee plus a cost per minute. What is the cost per minute?

$0.06 (or 6 cents) per minute

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What was the starting temperature?

8 degrees

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Jamaal the plumber charges $25 for a service call plus $50 per hour of service. What is the rate of change?

$50 per hour

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Loli planted a banana tree and tracked the growth of it every day in the graph below. What does the initial value represent?

The banana tree was 8 inches when it was planted.

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For babysitting, Nicole charges a flat fee of $3, plus $5 per hour. Find the slope and the y-intercept for Nicole’s charges.

slope = 5 , y-int = 3

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lifesaver

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gold

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fairy

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lifesaver

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