During this forty-year period, what was the minimum amount of fuel consumed by the average person?

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

The variable in a relation who’s value depends on the value of the independent variable is called what?

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