1. First graph the following equations in Desmos. Then answer the question below: Which relation is not a function?

1) (x - 2)² + y2 = 4

2) x² + 4x + y = 4

3) x+y = 4

4) xy = 4

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints