135¬}x9202207070}13 (x22000)5¬13x220005¬1x5¬2001 90% of classrooms will have Internet access in2001.46.No; the graph can only rise until it reaches 100%.47.The y-intercept can be found by setting theequation for xequal to zero, solving for t,thenusing this value in the equation for y.x5¬512t05¬512t255¬2t2 }52}5¬ty5¬231ty5¬23112 }52}2y5¬2 }121}Find the x-intercept in a similar manner.y5¬231t05¬231t35¬tx5¬512tx5¬512(3)x5¬11So two points on the line are (0,2 }121}) and (11, 0).m5¬}((yx2222yx11))}5¬5¬or}12}The slope-intercept form of the equation of theline is y5}12}x2}121}.48.Sample answer: Slope is used when drivingthrough hills to determine how fast to go.Answers should include the following.•Drivers should be notified of the grade so thatthey can adjust their speed accordingly. Apositive slope indicates that the driver mustspeed up, while a negative slope indicates thatthe driver should slow down.
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This note was uploaded on 12/19/2011 for the course MAC 1140 taught by Professor Dr.zhan during the Fall '10 term at UNF.