1) Is the relation a function? {(3, 4), (5, 0), (2, 4), (-5, -5)} 2) Is the relation a function? {(-3, 4), (6, 0), (-3, 4), (-8, -2)} *
3) is the equation y = 4 a function? *
4)Is the equation x = 3 a function? *
5)Evaluate the function: f(x) = 4x - 1. Find f(5). *
6)Evaluate the function: f(x) = 2x + 7. Find f(x + 3). *

Write an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).

The table below lists recommended amounts of food to order for 10 party guests. how much of each food item should nathan and amanda order for a graduation party with 55 guests? use the table to answer. item amount fried chicken 16 pieces lasagna 7 pounds deli meats 1.8 pounds sliced cheese 1 and two fifths pounds bakery buns 1 dozen potato salad 2 pounds

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14