The size of a human fetus more than 12 weeks old can be estimated by the formula L = 1.53t - 6.7,where L is in centimeters and t is in weeks.An obstetrician uses the length of a fetus,measured in an ultrasound,to determine the approximate age of the fetus and establish a due date for the mother.The formula must be rewritten to result in an age t,given a fetal length L.Use a graphing calculator to graph the resulting equation and verify the y-intercept.

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The Answer of The size of a human fetus more than 12 weeks old can be estimated by the formula L = 1.53t - 6.7,where L is in centimeters and t is in weeks.An obstetrician uses the length of a fetus,measured in an ultrasound,to determine the approximate age of the fetus and establish a due date for the mother.The formula must be rewritten to result in an age t,given a fetal length L.Use a graphing calculator to graph the resulting equation and verify the y-intercept.

The Size of a Human Fetus More Than 12 Weeks