1. Given that f(x) = x2 – 2x – 15, a. Find the coordinates of the y-intercept

b. Find the coordinates of the x-intercepts

C. Find the coordinates of the vertex

d. Use the above information to sketch a graph of f(x)

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?

Is there an x intercept in the equation 60*1.15^x

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?