F(x)=900+.02(x_10000)+500

Answer 1

ah, yes. one of my favorite functions.

Answer 2

F(x) = 900 + 0.02(x - 10,000) + 500.
F(x) = 900 + 0.02x - 200 + 500,
F(x) = 0.02x + 1200.