onegirl
Can someone help please?
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moser90
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With
onegirl
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5) A parking lot charges $@ for each hour of portion of an hour, with a maximum charge of $12 for all day. If f(t) equals the total parking bill for t hours, sketch a graph of y =f(t) for 0≤ t ≤ 24. Determine the limits as t -> 3.5 and t -> 4 of f(t), if they exist.
moser90
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I am not sure just be patient someone will come along to help
onegirl
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ok
moser90
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I have always hated problems like this
onegirl
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@Luis_Rivera umm can u help me now?
Infinyte
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Can you turn this into a written equation?
onegirl
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umm no
onegirl
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@Mertsj can u help?
Mertsj
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Reread your post. How much is charged for part of an hour?
onegirl
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2 dollars
Mertsj
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So for t hours, they charge 2t for t less than or equal to 6 because 12 is the maximum charge for the entire day.
onegirl
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yes
Mertsj
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So your graph should show a $2 charge for 0<t<=1, $4 charge for 1<t<=2, $6 charge for 2<t<=3, $8 charge for 3<t<=4, $10 charge for 4<t<=5, $12 charge for 5<t<=6 and for t > 6 a constant charge of $12
onegirl
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i dont under stand can u explain it?
Mertsj
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|dw:1359403089521:dw|
Mertsj
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And so on. Complete the graph.
onegirl
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so it increase 2 dollars every time
Mertsj
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Well I would say so since it is $2 per hour. If you park for 3 to 4 hours, it will cost you 8 dollars. If you park 1 to 2 hours it will cost you 4 dollars.
onegirl
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and how many hours will it go? or it just the matter of showing the amount you want in the cahrt?
Mertsj
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What do the directions in you problem tell you? How many hours are you supposed to go?
onegirl
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well its saying for t hours so its says the last is 12 dollars so 5 or 6?
Mertsj
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|dw:1359403483186:dw|
Mertsj
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sketch a graph of y =f(t) for 0≤ t ≤ 24.
Mertsj
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How many hours does it say?
onegirl
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24?
Mertsj
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bingo
onegirl
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ohh okay thank you!!
Mertsj
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yw