1) find the vertex and intercepts of the following quadratic functions. state
whether the parabola opens up or down. use this information to sketch
the graph.
a f(x) = 3(x-7)? +4

Shiny white dental insurance costs $258 per year. approximately one-third of insured people need a filling, which averages $110 each. 80% of insured people get a preventive check-up each year, and the average cost of this visit is $95. if you consider shiny white’s income and expenses, what is the expected value of each insured customer?

Afunction is given: f(x)=3x+12 a. determine the inverse of this function and name it g(x) b. use composite functions to show that these functions are inverses. c. f(g(– explain: what is the domain?

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.