Can someone me to find the solution ?

Which statement describes the term economics? a. it is the study of using limited resources to fulfill wants and needs. b. it is the study of how governments fulfill the wants and needs of nations. c. it is the study of how people spend their money to fulfill wants and needs.

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

What is the standard form of -5x^2+2x^4-11+x^3+3x