Which description matches the transformations y=cosx undergoes to produce y= -2cos3x

a. horizontal compression by factor 1/3, vertical stretch by factor 2, then a reflection through the x-axis
b. reflection through the y-axis, vertical shift of 2 units, horizontal shift right by 3 units
c. horizontal shift 2 units, then vertical shift up by 3 units
d. horizontal stretch by factor 2, reflection through the x-axis, then the vertical stretch by factor 3

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

What other information do you need to prove triangle dac=bca by asa

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account