It would be the f(x+3) + 2
Angles 1 and 2 are supplementary angels because they form a line.
Angles 1 and 2 are adjacent angles because they share an interior ray and they have a common vertex.
Answer: x = 6
Formula: 
Step-by-step explanation:
We know that an area of a triangle is half of a rectangle.
The bottom side must equal 11, since if the figure was a rectangle, the area would be multiplied by 2, giving us 44.
What minus 5 equals 11?
6.
So x must equal 6.
5.5
8
30
31
42
24
8
Hope this helps:)