Need help ASAP! Explain the steps necessary to convert a quadratic function in standard form to vertex form (on edgenudity)

Which function represents the sequence? f(n)=n+3 f(n)=7n−4 f(n)=3n+7 f(n)=n+7

Which of the following is the major negative aspect of crossover designs for research studies? a. prohibitive cost b. residual effects c-subject drepout d. incomplete randomization e. large sample size required

Find the solution set for this equation: t^2+7t=0 separate the two values with a comma.