Answer:
f(4) = 9
Step-by-step explanation:
You just need to substitute 4 in for x.
f(4) = 5(4) - 11
f(4) = 20 - 11
f(4) = 9
I created this using a graphing calculator website called Desmos! You can use this to further explore slopes and lines and graphing in general :)
Answer:
-4,7
Step-by-step explanation:
add both to get y=7
then sub y in 2 to get 8x+42=10
8x=-32
x=-4
Answer: True
You can break the polygon up into smaller pieces such as triangles. Find the area of each triangle, and then add up those smaller areas to get the overall total area.