If f(x)=x+6 and g(x) = 3x2find (f+9)(x) and (f+9)(5).

(f+g)(x) = (Simplify your answer.)

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.