builder uses the function g defined by g (x) = 80x + 10,000 to estimate the

cost g(x), in dollars, to build a one-story home of planned floor area of x square
feet. If the builder estimates that the cost to build a certain one-story home is
$106,000, what is the planned floor area, in square feet, of the home?

2 answers

just solve
80x + 10,000 = 106,000
1200