marcos has a coin collection. His collection started with 25 coins. He adds 8 coins to his collection every month. Based on this
information, which representation does NOT show the relationship between y, the number of coins Marcos has, andx, the number of months he has been collecting coins?
1 answer:
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Hello and Good Morning/Afternoon
<u>Let's take this problem step by step</u>:
<u>To find the rate of change is essentially like finding a line's slope</u>:
⇒ the <em>x-values</em> are the <em>number of sodas</em>
⇒ the<em> y-values </em>are the <em>total costs</em>
<em> ⇒ choose</em> two sets of coordinates and find the slope
<u>Let's put that into action</u>
- Choose any two points
⇒ (24, 18)
⇒ (28, 21)
- Calculate Slope
<u>Since the rate of change is total cost over number of sodas</u>
⇒ <em>unit is '</em>total cost/number of sodas'
<u>Answer: 3/4 total cost/number of sodas</u>
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Hope that helps!
#LearnwithBrainly
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