Apatient is given a 50 mg dose of medicine. the medicine's effectiveness decreases every hour at a constant rate of
40%. what is the exponential decay function that models this scenario? how much medicine will be left in the
patient's system after 2 hours?
f(x) = 50(0.40)*: 8 mg
fx) = 50(0.60)*: 18 mg
fx) = 50(40)*; 80,000 mg
f(x) = 50(60)"; 180,000 mg

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

Need now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250