Consider the two functions below. Which one of these functions is linear? What is its equation? Enter any answers to two decimal places. Function AFunction B
x3691215
y510152025
A graph on a coordinate plane that begins at the origin, curves upward and to the right, and passes through the point 2 comma 4.

Function
is linear.

Its equation is y =
x +
.

(50 ) mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.