Answer:
24
Explanation:
1. look at the graph window, the y axis goes up by 1 (2, 3, 4, 5, etc), and my answer assume the x axis is the same (it is not pictured)
2. split the triangle into two. the separated spot can be at x=3 because it forms two right triangles (right triangles have 90 degrees)
3. triangle dimensions: the first one is 2 by 4. to find the area of a rectangle, you multiply the length by width and divide by 2. 2 x 4 = 8, 8 divided by 2 is 4.
4. the second triangle is 4 by 5. 4 x 5 = 20, 20 divided by 2 is 10.
(you divide by 2 because two right triangles can make a square)
5. add the area of the two triangles, 20 plus 4 is . . .
24!
we have our answer :)