Marshallian demand (dX1) is a function of the price of X1, the price of X2 (assuming two goods) and the level of income or wealth (m): Hicksian demand (hX1) is a function of the price of X1, the price of X2 (assuming two goods) and the level of utility we opt for (U):
David was thirty years old when he became king, and he reigned forty years. David was thirty years old when he began to reign, and he reigned forty years in all. David was thirty years old when he began to reign, and he reigned forty years. David was thirty years old when he became king, and he reigned forty years. David was thirty years old when he began to reign, and he reigned forty years. David was 30 years old when he began his reign; he reigned 40 years. David began to reign when he was 30 years old, and he reigned 40 years.
David's first child by Bathsheba died seven days after birth. One of David's sons, Absalom, killed his half-brother Amnon, after Amnon raped Absalom's sister, Tamar. Later, Absalom revolted against his father David and tried to take over the throne, but was killed by Joab, David's army commander. Another son of David, Adonijah, was killed soon after David died. David was king for about 40 years.