HELP! I'll Mark Brainliest
All the work must be shown
pls i'm running out of time!!!

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

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.

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?