Removing which point from the coordinate plane would make the graph a function of X?
10, 4)
4
(2,3)
3
-2
(-2, 1)
1
(1,1)
1 2 3
4 5 X
5 4 3 2 1
-2
(-2,-3)
O (4,3)
(-2, 1)
(0.4)
(1, 1)

Identify which functions are linear or non-linear. a. f(x) = x2 + 1 b. f(x) = 2x + 5 c. f(x) = x 2 + 3 d. f(x) = 3 x + 7 e. f(x) = 4x + 10 2 - 5

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?

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50