Four? Isn't it stated in the question? Unless I am assuming wrong.
Choices given were:
<span>A. personal
B. business
C. government
</span>
Among the choices, macroeconomics focus on C. GOVERNMENT.
Macro means large or large-scale. Macroeconomics deal with economies in a larger scale like national, regional, or global market which government is involved with.
What you have to do is find the slope and the y intercept
The equation is y=-15/6x+14