The y -intercept is the value of y when x equals 0. What is the y-intercept with the equation y =2x + 8

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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.

What are the domain and range of the function f(x)=2^x+1