Since there are no number that multiply to 155 and add to 6 you must now use the Quadratic Formula.
x=(-b(+/-)√

-4ac)
2a
Answer:
f(0) = 1
Step-by-step explanation:
Assuming the graph is a function of x, then f(0) = 1.
Plug in 0 for x and ask yourself what is the y coordinate?
That's a true fact. If you want to get really technical, the area of a circle is. ALWAYS irrational because it's the product of something and PI.