Which one of these is not like the others? [Things to think about, but not limited to…… what way does the graph open? Signs of the quadratic term, linear term, constant term? Domain? Range? You might also put them into desmos. com and look at the graphs!]

Function 1: y = 6x^2 - 4x - 8
Function 2: y = 3x^2 - 3x + 1
Function 3: y = -2x^2 + x + 5
Function 4: y = 0.5x^2 - 5x + 3

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?