document.write( "Question 662251: Can someone please help me?I haven't been able to understand how to do this problems very well..
\n" ); document.write( "The number of dollars per month it costs you to own a car is a function of the number of kilometers per month you drive it. Based on the information in an issue of time magazine, the costs varies linearly with the distance , and is $366 per month for 300 km per month, and $510 per month for 1500 km per month.
\n" ); document.write( "A)write the particular equation expressing cost in terms of distance.
\n" ); document.write( "B) About how far could you drive in a month without exceeding a monthly cost of $600?
\n" ); document.write( "C) What does the slope represent?
\n" ); document.write( "D) List all the reasons you can think of to explain why the dollars per month intercept is grater than zero.
\n" ); document.write( "E)Predict the monthly cost if you drive 500, 1000, 2000 miles per month. \n" ); document.write( "

Algebra.Com's Answer #412056 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "costs varies linearly with the distance 
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document.write( "(1500,510)
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document.write( " (300,366)  m = (510-366)/(1500-300) = 144/1200 = 12/100 = .12
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document.write( "y = .12x + b
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document.write( "510 = .12*1500 + b
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document.write( "330 = b
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document.write( "f(x) = .12x + 330
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document.write( " .12x + 330 <$600
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document.write( "     .12x < 270
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document.write( "        x < 2250mi
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document.write( "slope represents the constant of increase cost/mi
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document.write( "b = $330 relates to the basic cost of owning a vehicle
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document.write( "f(500) = $390
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document.write( "f(1000) = $450
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document.write( "f(2000) = $570 \n" );
document.write( "

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