21 The table represents the function f(x).
What is f(3)?
0-9
0-1
0 1
Х
-3
-2
-1
0
1
2
3
f(x)
-9
-6
-3
0
3
6
9
9

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.

The tile along the edge of a triangular community pool needs to be replaced? ?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.