SOLUTION
Given the question in the image, the following are the solution steps to answer the question.
STEP 1: Write the given function

STEP 2: Plot the given function
STEP 3: choose the correct graph
It can be seen from the plotted graph in step 2 that:

Hence, comparing the x-intercepts, the correct graph is seen in:
Don't quote me but i'm pretty sure it is a right triangle
3, because you cut a corner, you cut through where 3 sides meet.
3 sides
8 because 2 times 5 is ten