Marta simplified this expression. 4 log, + log, 21 – log, 3r In which step did she incorrectly apply a property of logarithms? 4 logs x + log, 2x – log. 3x Step 1 log, 4x + logs 2x - log3x Step 2 log, 8x? – log3x Step 3 = log:) = log: (*) Step 4

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship

Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.