What is the value of (f*)
f(x)=2x+1 ; g(x)=x^2

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

Two numbers have a sum of -19. one number is x. what expression represents the other number?

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )