the total number of seats in an auditorium is modeled by f(x) = 2x2 – 6x, where x represents the number of rows. how many rows are there in the auditorium if it has a total of 416 seats? jose knows to plug in the total seats for f(x): 416 = 2x2 – 6x
jose needs to solve for x to determine the number of rows. he decides to use his calculator. under y =, he types in 2x2 – 6x. he checks the table for when y = 0.
he gets the two solutions:
x = 0, x= 3
jose determines the auditorium has 3 rows.

error:

correct solution.

Find the value of the variable and the length of each secant segment.

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =

Let event a = you roll an even number on the first cube.let event b = you roll a 6 on the second cube.are the events independent or dependent? why?