document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1194719>Question 1194719</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A water tank that initially contained 200 gallons of water is leaking water at a constant rate of 4 gallons per minute. For the amount of time the tank has water, which of the following function models gives the number of gallons, G. in the tank t minutes after the leak started?\r<BR>\n" );
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document.write( "a. g(t) = 196 - t<BR>\n" );
document.write( "b. g(t) = 200 - 4t<BR>\n" );
document.write( "c. g(t) = 200t - 4<BR>\n" );
document.write( "d. g(t) = 200t - 4r^2<BR>\n" );
document.write( "e. g(t) = 200(3/4)^t </SPAN>\n" );
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document.write( "t = number of minutes<BR>\n" );
document.write( "This is some nonnegative real number.\r<BR>\n" );
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document.write( "The tank leaks at a rate of 4 gallons per minute. <BR>\n" );
document.write( "After t minutes elapse, the tank has lost a total of 4t gallons.\r<BR>\n" );
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document.write( "Example: <BR>\n" );
document.write( "If t = 2 minutes go by, then the tank has lost 4t = 4*2 = 8 gallons.\r<BR>\n" );
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document.write( "We subtract this amount (4t gallons) from the starting amount (200 gallons)\r<BR>\n" );
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document.write( "<font color=red>200 - 4t</font> represents how much is left in the tank.\r<BR>\n" );
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document.write( "Going back to the previous example<BR>\n" );
document.write( "If t = 2, then <BR>\n" );
document.write( "200-4t = 200-4*2 = 200 - 8 = 192 gallons are left\r<BR>\n" );
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document.write( "Answer: <font color=red>Choice B) g(t) = 200 - 4t</font><BR>\n" );
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