Multiple choice Help

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)