Find $\iint _ { R } f ( x , y ) \mathrm { d } x \mathrm {~d} y$

question 97

Multiple Choice

Find $\iint _ { R } f ( x , y ) \mathrm { d } x \mathrm {~d} y$ , where $f ( x , y ) = 9 + y$ and R is the indicated domain. (Remember that you often have a choice as to the order of integration.)
$$f ( y ) = 9 - y ^ { 2 }$$

---

Definitions:

United States Census

A nationwide survey conducted every ten years by the federal government to account for the population and gather demographic information used for various purposes, including political representation.

Population Growth

An increase in the number of individuals in a population, often measured by the birth rate minus the death rate plus net migration.

Thomas Malthus

An 18th-century British economist and demographer renowned for his theory that population growth would eventually outstrip food supply, leading to societal distress.

Fertility Rates

Fertility rates describe the average number of children born to a woman over her lifetime within a population.