Question

If f(x) = 0, what is x?

Answer 1

- 2, 1 , 3

Explanation:

f(x) = 0 or y = 0

y = 0 is where the graph intersects the x- axis

the y- coordinate of any point on the x- axis is zero, so

the graph intersects with the x- axis at - 2 , 1 , 3