What polynomial is equivalent to (f•g)(x)

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

Here is my question! jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?

Yvaries directly as x. y =90 when x=6. find y when x=13