Three hundred yards of fencing is being used to fence in a rectangular garden. the area of the garden is modeled by a quadratic function of the rectangle’s width, a(w). what does the second coordinate of the vertex of the quadratic function. a(w), represent? the minimum width that can be used for the fencing the maximum area that can be enclosed by the fencing the width that gives the maximum area the length that gives the maximum area

(co 3) the soup produced by a company has a salt level that is normally distributed with a mean of 5.4 grams and a standard deviation of 0.3 grams. the company takes readings of every 10th bar off the production line. the reading points are 5.8, 5.9, 4.9, 6.5, 5.0, 4.9, 6.2, 5.1, 5.7, 6.1. is the process in control or out of control and why? it is out of control as two of these data points are more than 2 standard deviations from the mean it is in control as the data points more than 2 standard deviations from the mean are far apart it is out of control as one of these data points is more than 3 standard deviations from the mean it is in control as the values jump above and below the mean