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Question 424209: Write an equation for this situation: The cost,T, in hundreds of dollars, at one community college is 6 more than 1/3 the number of credits, c. Then graph the equation and use the graph to determine the cost of tuition if a student registers for 12 credits.
All I've come up with is T=6+1/3c and I can't figure out where to go from there. I'm so confused! Thanks for your help in advance.
God Bless,
Michelle Sanders
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Write an equation for this situation:
The cost,T, in hundreds of dollars, at one community college is 6 more than 1/3 the number of credits, c.
T(c) = (1/3)c+6
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Then graph the equation
You need two points:
If c = 0, T = 6
If c = 3, T = 7
Plot the two points: (0,6) and (3,7)
Draw the graph thru those two points.
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Use the graph to determine the cost of tuition
if a student registers for 12 credits.
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T(12) = (1/3)*12+6 = 10 hundred dollars = $1000.00
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Cheers,
Stan H.
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