Which of the following utility functions represents Cobb-Douglas preferences with two goods?

Which utility function corresponds to perfect substitutes?

An agent has Cobb-Douglas utility U(x,y)=xy. Prices are px=10 and py=10, and income is w=100. Suppose prices change to px’=20 and py’=10. The Ideal Cost of Living Adjustment (ICOLA) index is (round to two decimals and write with two decimals, e.g., 3.412 is 3.41 and 6 is 6.00)?

An agent has Cobb-Douglas utility U(x,y)=xy. Prices are px=10 and py=10, and income is w=100. Suppose prices change to px’=20 and py’=10. The minimum income needed to achieve the same utility as before is (round to one decimal and write with one decimal, e.g., 3.41 is 3.4 and 6 is 6.0)?

The nurse is caring for a client at 39 weeks gestation in active labor who is receiving an oxytocin infusion.  The nurse notes persistent late decelerations on the fetal monitor.  Which of the following actions should the nurse take?  Select all that apply.

Immediately following placental delivery, a postpartum client becomes acutely dyspneic, hypotensive, and cyanotic. Oxygen saturation drops rapidly despite supplemental oxygen, and the client becomes unresponsive. Which condition should the nurse suspect first?

A nulliparous client asks about being in “real” labor.  The nurse should teach that which signs are most indicative of true labor?  Select all that apply.

Indicate an advantage for having simple rather than stratified epithelium lining the gas-exchange surfaces of the lungs. Your response can be brief. (2 points)

Blood …

The cell theory includes all of these concepts except…